15164623413 has 20 divisors (see below), whose sum is σ = 22657044300. Its totient is φ = 10108089792.

The previous prime is 15164623361. The next prime is 15164623429. The reversal of 15164623413 is 31432646151.

15164623413 is a `hidden beast` number, since 1 + 5 + 1 + 646 + 2 + 3 + 4 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2290771044 + 12873852369 = 47862^2 + 113463^2 .

It is not a de Polignac number, because 15164623413 - 2¹² = 15164619317 is a prime.

It is a super-4 number, since 4×15164623413⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15164623013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 667363 + ... + 689711.

It is an arithmetic number, because the mean of its divisors is an integer number (1132852215).

Almost surely, 2^15164623413 is an apocalyptic number.

It is an amenable number.

15164623413 is a deficient number, since it is larger than the sum of its proper divisors (7492420887).

15164623413 is an equidigital number, since it uses as much as digits as its factorization.

15164623413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30738 (or 30729 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 15164623413 in words is "fifteen billion, one hundred sixty-four million, six hundred twenty-three thousand, four hundred thirteen".