70641622358 has 4 divisors (see below), whose sum is σ = 105962433540. Its totient is φ = 35320811178.

The previous prime is 70641622351. The next prime is 70641622393. The reversal of 70641622358 is 85322614607.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70641622351) 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 as a sum of consecutive naturals, namely, 17660405588 + ... + 17660405591.

It is an arithmetic number, because the mean of its divisors is an integer number (26490608385).

Almost surely, 2^70641622358 is an apocalyptic number.

70641622358 is a deficient number, since it is larger than the sum of its proper divisors (35320811182).

70641622358 is a wasteful number, since it uses less digits than its factorization.

70641622358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35320811181.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 70641622358 in words is "seventy billion, six hundred forty-one million, six hundred twenty-two thousand, three hundred fifty-eight".