1979522761308 has 12 divisors (see below), whose sum is σ = 4618886443080. Its totient is φ = 659840920432.

The previous prime is 1979522761303. The next prime is 1979522761343. The reversal of 1979522761308 is 8031672259791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979522761301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82480115043 + ... + 82480115066.

It is an arithmetic number, because the mean of its divisors is an integer number (384907203590).

Almost surely, 2^{1979522761308} is an apocalyptic number.

It is an amenable number.

1979522761308 is an abundant number, since it is smaller than the sum of its proper divisors (2639363681772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979522761308 is a wasteful number, since it uses less digits than its factorization.

1979522761308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164960230116 (or 164960230114 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 1979522761308 in words is "one trillion, nine hundred seventy-nine billion, five hundred twenty-two million, seven hundred sixty-one thousand, three hundred eight".