15398467436 has 24 divisors (see below), whose sum is σ = 30345369600. Its totient is φ = 6773518800.

The previous prime is 15398467421. The next prime is 15398467493. The reversal of 15398467436 is 63476489351.

It is a super-2 number, since 2×15398467436² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5643236 + ... + 5645963.

It is an arithmetic number, because the mean of its divisors is an integer number (1264390400).

Almost surely, 2^15398467436 is an apocalyptic number.

It is an amenable number.

15398467436 is a deficient number, since it is larger than the sum of its proper divisors (14946902164).

15398467436 is a wasteful number, since it uses less digits than its factorization.

15398467436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289245 (or 11289243 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 15398467436 in words is "fifteen billion, three hundred ninety-eight million, four hundred sixty-seven thousand, four hundred thirty-six".