70130715630721 has 2 divisors, whose sum is σ = 70130715630722. Its totient is φ = 70130715630720.

The previous prime is 70130715630713. The next prime is 70130715630727. The reversal of 70130715630721 is 12703651703107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48236692029696 + 21894023601025 = 6945264^2 + 4679105^2 .

It is a cyclic number.

It is not a de Polignac number, because 70130715630721 - 2³ = 70130715630713 is a prime.

It is not a weakly prime, because it can be changed into another prime (70130715630727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35065357815360 + 35065357815361.

It is an arithmetic number, because the mean of its divisors is an integer number (35065357815361).

Almost surely, 2^{70130715630721} is an apocalyptic number.

It is an amenable number.

70130715630721 is a deficient number, since it is larger than the sum of its proper divisors (1).

70130715630721 is an equidigital number, since it uses as much as digits as its factorization.

70130715630721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 43.

The spelling of 70130715630721 in words is "seventy trillion, one hundred thirty billion, seven hundred fifteen million, six hundred thirty thousand, seven hundred twenty-one".