70045756631 has 2 divisors, whose sum is σ = 70045756632. Its totient is φ = 70045756630.

The previous prime is 70045756621. The next prime is 70045756679. The reversal of 70045756631 is 13665754007.

It is a weak prime.

It is an emirp because it is prime and its reverse (13665754007) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70045756631 is a prime.

It is a super-2 number, since 2×70045756631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70045756621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35022878315 + 35022878316.

It is an arithmetic number, because the mean of its divisors is an integer number (35022878316).

Almost surely, 2^70045756631 is an apocalyptic number.

70045756631 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045756631 is an equidigital number, since it uses as much as digits as its factorization.

70045756631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 70045756631 in words is "seventy billion, forty-five million, seven hundred fifty-six thousand, six hundred thirty-one".