70348863961 has 2 divisors, whose sum is σ = 70348863962. Its totient is φ = 70348863960.

The previous prime is 70348863931. The next prime is 70348863979. The reversal of 70348863961 is 16936884307.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47728703961 + 22620160000 = 218469^2 + 150400^2 .

It is a cyclic number.

It is not a de Polignac number, because 70348863961 - 2⁹ = 70348863449 is a prime.

It is not a weakly prime, because it can be changed into another prime (70348863901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35174431980 + 35174431981.

It is an arithmetic number, because the mean of its divisors is an integer number (35174431981).

Almost surely, 2^70348863961 is an apocalyptic number.

It is an amenable number.

70348863961 is a deficient number, since it is larger than the sum of its proper divisors (1).

70348863961 is an equidigital number, since it uses as much as digits as its factorization.

70348863961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 70348863961 in words is "seventy billion, three hundred forty-eight million, eight hundred sixty-three thousand, nine hundred sixty-one".