70071044647 has 2 divisors, whose sum is σ = 70071044648. Its totient is φ = 70071044646.

The previous prime is 70071044633. The next prime is 70071044653. The reversal of 70071044647 is 74644017007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70071044647 - 2²⁷ = 69936826919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70071044047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35035522323 + 35035522324.

It is an arithmetic number, because the mean of its divisors is an integer number (35035522324).

Almost surely, 2^70071044647 is an apocalyptic number.

70071044647 is a deficient number, since it is larger than the sum of its proper divisors (1).

70071044647 is an equidigital number, since it uses as much as digits as its factorization.

70071044647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 70071044647 in words is "seventy billion, seventy-one million, forty-four thousand, six hundred forty-seven".