5656267642 has 16 divisors (see below), whose sum is σ = 8998665192. Its totient is φ = 2657274880.

The previous prime is 5656267609. The next prime is 5656267699. The reversal of 5656267642 is 2467626565.

It can be written as a sum of positive squares in 4 ways, for example, as 4020954921 + 1635312721 = 63411^2 + 40439^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 120109 + ... + 160432.

Almost surely, 2^5656267642 is an apocalyptic number.

5656267642 is a deficient number, since it is larger than the sum of its proper divisors (3342397550).

5656267642 is a wasteful number, since it uses less digits than its factorization.

5656267642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281153.

The product of its digits is 3628800, while the sum is 49.

The square root of 5656267642 is about 75208.1620703498. The cubic root of 5656267642 is about 1781.7358442243.

The spelling of 5656267642 in words is "five billion, six hundred fifty-six million, two hundred sixty-seven thousand, six hundred forty-two".