70769339321 has 4 divisors (see below), whose sum is σ = 74932241652. Its totient is φ = 66606436992.

The previous prime is 70769339317. The next prime is 70769339393. The reversal of 70769339321 is 12393396707.

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 49013089321 + 21756250000 = 221389^2 + 147500^2 .

It is a cyclic number.

It is not a de Polignac number, because 70769339321 - 2² = 70769339317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70769339321.

It is not an unprimeable number, because it can be changed into a prime (70769339621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081451140 + ... + 2081451173.

It is an arithmetic number, because the mean of its divisors is an integer number (18733060413).

Almost surely, 2^70769339321 is an apocalyptic number.

It is an amenable number.

70769339321 is a deficient number, since it is larger than the sum of its proper divisors (4162902331).

70769339321 is a wasteful number, since it uses less digits than its factorization.

70769339321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162902330.

The product of its (nonzero) digits is 1285956, while the sum is 50.

The spelling of 70769339321 in words is "seventy billion, seven hundred sixty-nine million, three hundred thirty-nine thousand, three hundred twenty-one".