70565474773117 has 2 divisors, whose sum is σ = 70565474773118. Its totient is φ = 70565474773116.

The previous prime is 70565474773097. The next prime is 70565474773127. The reversal of 70565474773117 is 71137747456507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52989751712836 + 17575723060281 = 7279406^2 + 4192341^2 .

It is a cyclic number.

It is not a de Polignac number, because 70565474773117 - 2¹¹ = 70565474771069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70565474773127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35282737386558 + 35282737386559.

It is an arithmetic number, because the mean of its divisors is an integer number (35282737386559).

Almost surely, 2^{70565474773117} is an apocalyptic number.

It is an amenable number.

70565474773117 is a deficient number, since it is larger than the sum of its proper divisors (1).

70565474773117 is an equidigital number, since it uses as much as digits as its factorization.

70565474773117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121010400, while the sum is 64.

The spelling of 70565474773117 in words is "seventy trillion, five hundred sixty-five billion, four hundred seventy-four million, seven hundred seventy-three thousand, one hundred seventeen".