70965966256901 has 2 divisors, whose sum is σ = 70965966256902. Its totient is φ = 70965966256900.

The previous prime is 70965966256849. The next prime is 70965966256903. The reversal of 70965966256901 is 10965266956907.

It is a Cunningham number, because it is equal to 8424130²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70965966256900 + 1 = 8424130^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 70965966256901 - 2¹⁸ = 70965965994757 is a prime.

It is a super-2 number, since 2×70965966256901² (a number of 29 digits) contains 22 as substring.

Together with 70965966256903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70965966256903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35482983128450 + 35482983128451.

It is an arithmetic number, because the mean of its divisors is an integer number (35482983128451).

Almost surely, 2^{70965966256901} is an apocalyptic number.

It is an amenable number.

70965966256901 is a deficient number, since it is larger than the sum of its proper divisors (1).

70965966256901 is an equidigital number, since it uses as much as digits as its factorization.

70965966256901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330674400, while the sum is 71.

The spelling of 70965966256901 in words is "seventy trillion, nine hundred sixty-five billion, nine hundred sixty-six million, two hundred fifty-six thousand, nine hundred one".