15361945794 has 24 divisors (see below), whose sum is σ = 35844540732. Its totient is φ = 4726752480.

The previous prime is 15361945789. The next prime is 15361945811. The reversal of 15361945794 is 49754916351.

15361945794 is a `hidden beast` number, since 1 + 5 + 3 + 61 + 9 + 4 + 579 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13251002769 + 2110943025 = 115113^2 + 45945^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15361945794.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32824437 + ... + 32824904.

Almost surely, 2^15361945794 is an apocalyptic number.

15361945794 is an abundant number, since it is smaller than the sum of its proper divisors (20482594938).

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

15361945794 is a wasteful number, since it uses less digits than its factorization.

15361945794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65649362 (or 65649359 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 15361945794 in words is "fifteen billion, three hundred sixty-one million, nine hundred forty-five thousand, seven hundred ninety-four".