15391452234 has 32 divisors (see below), whose sum is σ = 31621726080. Its totient is φ = 4991379200.

The previous prime is 15391452221. The next prime is 15391452253. The reversal of 15391452234 is 43225419351.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15391452192 and 15391452201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174 + ... + 175454.

It is an arithmetic number, because the mean of its divisors is an integer number (988178940).

Almost surely, 2^15391452234 is an apocalyptic number.

15391452234 is an abundant number, since it is smaller than the sum of its proper divisors (16230273846).

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

15391452234 is a wasteful number, since it uses less digits than its factorization.

15391452234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174686.

The product of its digits is 129600, while the sum is 39.

The spelling of 15391452234 in words is "fifteen billion, three hundred ninety-one million, four hundred fifty-two thousand, two hundred thirty-four".