27433672564 has 6 divisors (see below), whose sum is σ = 48008926994. Its totient is φ = 13716836280.

The previous prime is 27433672529. The next prime is 27433672571. The reversal of 27433672564 is 46527633472.

It can be written as a sum of positive squares in only one way, i.e., 24851000164 + 2582672400 = 157642^2 + 50820^2 .

It is a congruent number.

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, 3429209067 + ... + 3429209074.

Almost surely, 2^27433672564 is an apocalyptic number.

It is an amenable number.

27433672564 is a deficient number, since it is larger than the sum of its proper divisors (20575254430).

27433672564 is a wasteful number, since it uses less digits than its factorization.

27433672564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858418145 (or 6858418143 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 49.

The spelling of 27433672564 in words is "twenty-seven billion, four hundred thirty-three million, six hundred seventy-two thousand, five hundred sixty-four".