64492269412 has 6 divisors (see below), whose sum is σ = 112861471478. Its totient is φ = 32246134704.

The previous prime is 64492269407. The next prime is 64492269431. The reversal of 64492269412 is 21496229446.

It can be written as a sum of positive squares in only one way, i.e., 37104005376 + 27388264036 = 192624^2 + 165494^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061533673 + ... + 8061533680.

Almost surely, 2^64492269412 is an apocalyptic number.

It is an amenable number.

64492269412 is a deficient number, since it is larger than the sum of its proper divisors (48369202066).

64492269412 is a wasteful number, since it uses less digits than its factorization.

64492269412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123067357 (or 16123067355 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The spelling of 64492269412 in words is "sixty-four billion, four hundred ninety-two million, two hundred sixty-nine thousand, four hundred twelve".