901509636428 has 12 divisors (see below), whose sum is σ = 1579646496792. Its totient is φ = 450182065920.

The previous prime is 901509636413. The next prime is 901509636451. The reversal of 901509636428 is 824636905109.

It is a self number, because there is not a number n which added to its sum of digits gives 901509636428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143184533 + ... + 143190828.

It is an arithmetic number, because the mean of its divisors is an integer number (131637208066).

Almost surely, 2^901509636428 is an apocalyptic number.

It is an amenable number.

901509636428 is a deficient number, since it is larger than the sum of its proper divisors (678136860364).

901509636428 is a wasteful number, since it uses less digits than its factorization.

901509636428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286376152 (or 286376150 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 901509636428 in words is "nine hundred one billion, five hundred nine million, six hundred thirty-six thousand, four hundred twenty-eight".