3638069775 has 48 divisors (see below), whose sum is σ = 6734449920. Its totient is φ = 1925445600.

The previous prime is 3638069767. The next prime is 3638069777. The reversal of 3638069775 is 5779608363.

It is not a de Polignac number, because 3638069775 - 2³ = 3638069767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638069777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67854 + ... + 108996.

It is an arithmetic number, because the mean of its divisors is an integer number (140301040).

Almost surely, 2^3638069775 is an apocalyptic number.

3638069775 is a deficient number, since it is larger than the sum of its proper divisors (3096380145).

3638069775 is a wasteful number, since it uses less digits than its factorization.

3638069775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41293 (or 41282 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The square root of 3638069775 is about 60316.4138108359. The cubic root of 3638069775 is about 1538.0023819311.

The spelling of 3638069775 in words is "three billion, six hundred thirty-eight million, sixty-nine thousand, seven hundred seventy-five".