3653945074 has 32 divisors (see below), whose sum is σ = 6166646640. Its totient is φ = 1612128000.

The previous prime is 3653945039. The next prime is 3653945077. The reversal of 3653945074 is 4705493563.

It can be written as a sum of positive squares in 8 ways, for example, as 1760389849 + 1893555225 = 41957^2 + 43515^2 .

It is not an unprimeable number, because it can be changed into a prime (3653945077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52164 + ... + 100144.

Almost surely, 2^3653945074 is an apocalyptic number.

3653945074 is a deficient number, since it is larger than the sum of its proper divisors (2512701566).

3653945074 is a wasteful number, since it uses less digits than its factorization.

3653945074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48126.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The square root of 3653945074 is about 60447.8707151873. The cubic root of 3653945074 is about 1540.2362422194.

The spelling of 3653945074 in words is "three billion, six hundred fifty-three million, nine hundred forty-five thousand, seventy-four".