70465913321 has 4 divisors (see below), whose sum is σ = 71112389700. Its totient is φ = 69819436944.

The previous prime is 70465913317. The next prime is 70465913341. The reversal of 70465913321 is 12331956407.

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 56206926400 + 14258986921 = 237080^2 + 119411^2 .

It is a cyclic number.

It is not a de Polignac number, because 70465913321 - 2² = 70465913317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70465913341) by changing a digit.

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, 323238026 + ... + 323238243.

It is an arithmetic number, because the mean of its divisors is an integer number (17778097425).

Almost surely, 2^70465913321 is an apocalyptic number.

It is an amenable number.

70465913321 is a deficient number, since it is larger than the sum of its proper divisors (646476379).

70465913321 is a wasteful number, since it uses less digits than its factorization.

70465913321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646476378.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 70465913321 in words is "seventy billion, four hundred sixty-five million, nine hundred thirteen thousand, three hundred twenty-one".