70894195769 has 2 divisors, whose sum is σ = 70894195770. Its totient is φ = 70894195768.

The previous prime is 70894195741. The next prime is 70894195783. The reversal of 70894195769 is 96759149807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45961785769 + 24932410000 = 214387^2 + 157900^2 .

It is a cyclic number.

It is not a de Polignac number, because 70894195769 - 2¹⁶ = 70894130233 is a prime.

It is a super-2 number, since 2×70894195769² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70894195969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35447097884 + 35447097885.

It is an arithmetic number, because the mean of its divisors is an integer number (35447097885).

Almost surely, 2^70894195769 is an apocalyptic number.

It is an amenable number.

70894195769 is a deficient number, since it is larger than the sum of its proper divisors (1).

70894195769 is an equidigital number, since it uses as much as digits as its factorization.

70894195769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 65.

The spelling of 70894195769 in words is "seventy billion, eight hundred ninety-four million, one hundred ninety-five thousand, seven hundred sixty-nine".