70334643821 has 16 divisors (see below), whose sum is σ = 79988039040. Its totient is φ = 61309379520.

The previous prime is 70334643781. The next prime is 70334643823. The reversal of 70334643821 is 12834643307.

It is a cyclic number.

It is not a de Polignac number, because 70334643821 - 2³⁴ = 53154774637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70334643823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380990 + ... + 534623.

It is an arithmetic number, because the mean of its divisors is an integer number (4999252440).

Almost surely, 2^70334643821 is an apocalyptic number.

It is an amenable number.

70334643821 is a deficient number, since it is larger than the sum of its proper divisors (9653395219).

70334643821 is a wasteful number, since it uses less digits than its factorization.

70334643821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915956.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 70334643821 in words is "seventy billion, three hundred thirty-four million, six hundred forty-three thousand, eight hundred twenty-one".