1522979355213 has 12 divisors (see below), whose sum is σ = 2208418834908. Its totient is φ = 1011368908800.

The previous prime is 1522979355193. The next prime is 1522979355223. The reversal of 1522979355213 is 3125539792251.

1522979355213 is a `hidden beast` number, since 1 + 5 + 2 + 2 + 9 + 79 + 3 + 552 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 946470199689 + 576509155524 = 972867^2 + 759282^2 .

It is not a de Polignac number, because 1522979355213 - 2¹⁷ = 1522979224141 is a prime.

It is a super-2 number, since 2×1522979355213² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1522979355213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522979355223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329219338 + ... + 329223963.

It is an arithmetic number, because the mean of its divisors is an integer number (184034902909).

Almost surely, 2^{1522979355213} is an apocalyptic number.

It is an amenable number.

1522979355213 is a deficient number, since it is larger than the sum of its proper divisors (685439479695).

1522979355213 is a wasteful number, since it uses less digits than its factorization.

1522979355213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658443564 (or 658443561 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 54.

The spelling of 1522979355213 in words is "one trillion, five hundred twenty-two billion, nine hundred seventy-nine million, three hundred fifty-five thousand, two hundred thirteen".