69122364785 has 4 divisors (see below), whose sum is σ = 82946837748. Its totient is φ = 55297891824.

The previous prime is 69122364737. The next prime is 69122364799. The reversal of 69122364785 is 58746322196.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36010375696 + 33111989089 = 189764^2 + 181967^2 .

It is a cyclic number.

It is not a de Polignac number, because 69122364785 - 2¹⁸ = 69122102641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6912236474 + ... + 6912236483.

It is an arithmetic number, because the mean of its divisors is an integer number (20736709437).

Almost surely, 2^69122364785 is an apocalyptic number.

It is an amenable number.

69122364785 is a deficient number, since it is larger than the sum of its proper divisors (13824472963).

69122364785 is a wasteful number, since it uses less digits than its factorization.

69122364785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824472962.

The product of its digits is 4354560, while the sum is 53.

The spelling of 69122364785 in words is "sixty-nine billion, one hundred twenty-two million, three hundred sixty-four thousand, seven hundred eighty-five".