3638081074 has 16 divisors (see below), whose sum is σ = 5878080000. Its totient is φ = 1683823680.

The previous prime is 3638081047. The next prime is 3638081077. The reversal of 3638081074 is 4701808363.

3638081074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3638081077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274199 + ... + 1277050.

It is an arithmetic number, because the mean of its divisors is an integer number (367380000).

Almost surely, 2^3638081074 is an apocalyptic number.

3638081074 is a deficient number, since it is larger than the sum of its proper divisors (2239998926).

3638081074 is a wasteful number, since it uses less digits than its factorization.

3638081074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551305.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 3638081074 is about 60316.5074751514. The cubic root of 3638081074 is about 1538.0039741555.

The spelling of 3638081074 in words is "three billion, six hundred thirty-eight million, eighty-one thousand, seventy-four".