69752764813 has 4 divisors (see below), whose sum is σ = 71236866240. Its totient is φ = 68268663388.

The previous prime is 69752764799. The next prime is 69752764819. The reversal of 69752764813 is 31846725796.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69752764813 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 (69752764819) 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 3 ways as a sum of consecutive naturals, for example, 742050643 + ... + 742050736.

It is an arithmetic number, because the mean of its divisors is an integer number (17809216560).

Almost surely, 2^69752764813 is an apocalyptic number.

It is an amenable number.

69752764813 is a deficient number, since it is larger than the sum of its proper divisors (1484101427).

69752764813 is a wasteful number, since it uses less digits than its factorization.

69752764813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484101426.

The product of its digits is 15240960, while the sum is 58.

The spelling of 69752764813 in words is "sixty-nine billion, seven hundred fifty-two million, seven hundred sixty-four thousand, eight hundred thirteen".