5638726465770 has 16 divisors (see below), whose sum is σ = 13532943517920. Its totient is φ = 1503660390864.

The previous prime is 5638726465753. The next prime is 5638726465837. The reversal of 5638726465770 is 775646278365.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93978774400 + ... + 93978774459.

It is an arithmetic number, because the mean of its divisors is an integer number (845808969870).

Almost surely, 2^{5638726465770} is an apocalyptic number.

5638726465770 is an abundant number, since it is smaller than the sum of its proper divisors (7894217052150).

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

5638726465770 is a wasteful number, since it uses less digits than its factorization.

5638726465770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187957548869.

The product of its (nonzero) digits is 355622400, while the sum is 66.

The spelling of 5638726465770 in words is "five trillion, six hundred thirty-eight billion, seven hundred twenty-six million, four hundred sixty-five thousand, seven hundred seventy".