70645641379 has 2 divisors, whose sum is σ = 70645641380. Its totient is φ = 70645641378.

The previous prime is 70645641361. The next prime is 70645641389. The reversal of 70645641379 is 97314654607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70645641379 - 2³³ = 62055706787 is a prime.

It is not a weakly prime, because it can be changed into another prime (70645641349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35322820689 + 35322820690.

It is an arithmetic number, because the mean of its divisors is an integer number (35322820690).

Almost surely, 2^70645641379 is an apocalyptic number.

70645641379 is a deficient number, since it is larger than the sum of its proper divisors (1).

70645641379 is an equidigital number, since it uses as much as digits as its factorization.

70645641379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 70645641379 in words is "seventy billion, six hundred forty-five million, six hundred forty-one thousand, three hundred seventy-nine".