15429398652 has 72 divisors (see below), whose sum is σ = 39426070320. Its totient is φ = 5087496960.

The previous prime is 15429398617. The next prime is 15429398653. The reversal of 15429398652 is 25689392451.

15429398652 is a `hidden beast` number, since 1 + 542 + 9 + 3 + 98 + 6 + 5 + 2 = 666.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (15429398653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1400638 + ... + 1411610.

It is an arithmetic number, because the mean of its divisors is an integer number (547584310).

Almost surely, 2^15429398652 is an apocalyptic number.

15429398652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15429398652 is an abundant number, since it is smaller than the sum of its proper divisors (23996671668).

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

15429398652 is a wasteful number, since it uses less digits than its factorization.

15429398652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403 (or 11398 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 15429398652 in words is "fifteen billion, four hundred twenty-nine million, three hundred ninety-eight thousand, six hundred fifty-two".