70965620497 has 2 divisors, whose sum is σ = 70965620498. Its totient is φ = 70965620496.

The previous prime is 70965620477. The next prime is 70965620603. The reversal of 70965620497 is 79402656907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56899423296 + 14066197201 = 238536^2 + 118601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70965620497 is a prime.

It is a super-2 number, since 2×70965620497² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70965620477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35482810248 + 35482810249.

It is an arithmetic number, because the mean of its divisors is an integer number (35482810249).

Almost surely, 2^70965620497 is an apocalyptic number.

It is an amenable number.

70965620497 is a deficient number, since it is larger than the sum of its proper divisors (1).

70965620497 is an equidigital number, since it uses as much as digits as its factorization.

70965620497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 70965620497 in words is "seventy billion, nine hundred sixty-five million, six hundred twenty thousand, four hundred ninety-seven".