4638401545912 has 16 divisors (see below), whose sum is σ = 8721228538800. Its totient is φ = 2312740602240.

The previous prime is 4638401545837. The next prime is 4638401545931. The reversal of 4638401545912 is 2195451048364.

It is a super-2 number, since 2×4638401545912² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4638401545912.

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 3 ways as a sum of consecutive naturals, for example, 807518289 + ... + 807524032.

It is an arithmetic number, because the mean of its divisors is an integer number (545076783675).

Almost surely, 2^{4638401545912} is an apocalyptic number.

It is an amenable number.

4638401545912 is a deficient number, since it is larger than the sum of its proper divisors (4082826992888).

4638401545912 is a wasteful number, since it uses less digits than its factorization.

4638401545912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615042686 (or 1615042682 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 4638401545912 in words is "four trillion, six hundred thirty-eight billion, four hundred one million, five hundred forty-five thousand, nine hundred twelve".