428969879039136 has 24 divisors (see below), whose sum is σ = 1126045932477984. Its totient is φ = 142989959679680.

The previous prime is 428969879039077. The next prime is 428969879039189. The reversal of 428969879039136 is 631930978969824.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234218119900 + ... + 2234218120091.

It is an arithmetic number, because the mean of its divisors is an integer number (46918580519916).

Almost surely, 2^{428969879039136} is an apocalyptic number.

It is an amenable number.

428969879039136 is an abundant number, since it is smaller than the sum of its proper divisors (697076053438848).

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

428969879039136 is a wasteful number, since it uses less digits than its factorization.

428969879039136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468436240004 (or 4468436239996 counting only the distinct ones).

The product of its (nonzero) digits is 7618738176, while the sum is 84.

The spelling of 428969879039136 in words is "four hundred twenty-eight trillion, nine hundred sixty-nine billion, eight hundred seventy-nine million, thirty-nine thousand, one hundred thirty-six".