69712214661 has 6 divisors (see below), whose sum is σ = 100695421190. Its totient is φ = 46474809768.

The previous prime is 69712214629. The next prime is 69712214669. The reversal of 69712214661 is 16641221796.

69712214661 is a `hidden beast` number, since 69 + 7 + 122 + 1 + 466 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66324276225 + 3387938436 = 257535^2 + 58206^2 .

It is not a de Polignac number, because 69712214661 - 2⁵ = 69712214629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69712214669) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 3872900806 + ... + 3872900823.

Almost surely, 2^69712214661 is an apocalyptic number.

It is an amenable number.

69712214661 is a deficient number, since it is larger than the sum of its proper divisors (30983206529).

69712214661 is a wasteful number, since it uses less digits than its factorization.

69712214661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745801635 (or 7745801632 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 69712214661 in words is "sixty-nine billion, seven hundred twelve million, two hundred fourteen thousand, six hundred sixty-one".