70431178260769 has 2 divisors, whose sum is σ = 70431178260770. Its totient is φ = 70431178260768.

The previous prime is 70431178260757. The next prime is 70431178260787. The reversal of 70431178260769 is 96706287113407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62650074432400 + 7781103828369 = 7915180^2 + 2789463^2 .

It is a cyclic number.

It is not a de Polignac number, because 70431178260769 - 2³¹ = 70429030777121 is a prime.

It is a super-2 number, since 2×70431178260769² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70431178260799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35215589130384 + 35215589130385.

It is an arithmetic number, because the mean of its divisors is an integer number (35215589130385).

Almost surely, 2^{70431178260769} is an apocalyptic number.

It is an amenable number.

70431178260769 is a deficient number, since it is larger than the sum of its proper divisors (1).

70431178260769 is an equidigital number, since it uses as much as digits as its factorization.

70431178260769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 70431178260769 in words is "seventy trillion, four hundred thirty-one billion, one hundred seventy-eight million, two hundred sixty thousand, seven hundred sixty-nine".