15434439412 has 24 divisors (see below), whose sum is σ = 31392083520. Its totient is φ = 6502644480.

The previous prime is 15434439373. The next prime is 15434439439. The reversal of 15434439412 is 21493443451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669789 + ... + 4673092.

It is an arithmetic number, because the mean of its divisors is an integer number (1308003480).

Almost surely, 2^15434439412 is an apocalyptic number.

It is an amenable number.

15434439412 is an abundant number, since it is smaller than the sum of its proper divisors (15957644108).

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

15434439412 is a wasteful number, since it uses less digits than its factorization.

15434439412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342951 (or 9342949 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 15434439412 in words is "fifteen billion, four hundred thirty-four million, four hundred thirty-nine thousand, four hundred twelve".