15397061433 has 8 divisors (see below), whose sum is σ = 22108601088. Its totient is φ = 9475114704.

The previous prime is 15397061413. The next prime is 15397061461. The reversal of 15397061433 is 33416079351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15397061433 - 2¹⁰ = 15397060409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15397061413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197398185 + ... + 197398262.

It is an arithmetic number, because the mean of its divisors is an integer number (2763575136).

Almost surely, 2^15397061433 is an apocalyptic number.

15397061433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15397061433 is a deficient number, since it is larger than the sum of its proper divisors (6711539655).

15397061433 is a wasteful number, since it uses less digits than its factorization.

15397061433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394796463.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 15397061433 in words is "fifteen billion, three hundred ninety-seven million, sixty-one thousand, four hundred thirty-three".