39090764066 has 4 divisors (see below), whose sum is σ = 58636146102. Its totient is φ = 19545382032.

The previous prime is 39090764047. The next prime is 39090764093. The reversal of 39090764066 is 66046709093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66046709093 = 31 ⋅2130539003.

It can be written as a sum of positive squares in only one way, i.e., 29818037041 + 9272727025 = 172679^2 + 96295^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9772691015 + ... + 9772691018.

Almost surely, 2^39090764066 is an apocalyptic number.

39090764066 is a deficient number, since it is larger than the sum of its proper divisors (19545382036).

39090764066 is a wasteful number, since it uses less digits than its factorization.

39090764066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19545382035.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 39090764066 in words is "thirty-nine billion, ninety million, seven hundred sixty-four thousand, sixty-six".