15436074564 has 27 divisors (see below), whose sum is σ = 39020850687. Its totient is φ = 5145109704.

The previous prime is 15436074541. The next prime is 15436074569. The reversal of 15436074564 is 46547063451.

The square root of 15436074564 is 124242.

It is a perfect power (a square), and thus also a powerful number.

15436074564 is a `hidden beast` number, since 1 + 54 + 36 + 0 + 7 + 4 + 564 = 666.

It is a super-3 number, since 3×15436074564³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (15436074569) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 735099 + ... + 755805.

Almost surely, 2^15436074564 is an apocalyptic number.

15436074564 is the 124242-nd square number.

It is an amenable number.

15436074564 is an abundant number, since it is smaller than the sum of its proper divisors (23584776123).

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

15436074564 is an frugal number, since it uses more digits than its factorization.

15436074564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424 (or 20712 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 15436074564 in words is "fifteen billion, four hundred thirty-six million, seventy-four thousand, five hundred sixty-four".