6569138962 has 8 divisors (see below), whose sum is σ = 9854057916. Its totient is φ = 3284452992.

The previous prime is 6569138923. The next prime is 6569138971. The reversal of 6569138962 is 2698319656.

It can be written as a sum of positive squares in 2 ways, for example, as 6415849801 + 153289161 = 80099^2 + 12381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61398 + ... + 130030.

Almost surely, 2^6569138962 is an apocalyptic number.

6569138962 is a deficient number, since it is larger than the sum of its proper divisors (3284918954).

6569138962 is a wasteful number, since it uses less digits than its factorization.

6569138962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116492.

The product of its digits is 4199040, while the sum is 55.

The square root of 6569138962 is about 81050.2249349130. The cubic root of 6569138962 is about 1872.8492280141.

It can be divided in two parts, 65691 and 38962, that added together give a triangular number (104653 = T₄₅₇).

The spelling of 6569138962 in words is "six billion, five hundred sixty-nine million, one hundred thirty-eight thousand, nine hundred sixty-two".