70169894737 has 2 divisors, whose sum is σ = 70169894738. Its totient is φ = 70169894736.

The previous prime is 70169894651. The next prime is 70169894741. The reversal of 70169894737 is 73749896107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62078712336 + 8091182401 = 249156^2 + 89951^2 .

It is a cyclic number.

It is not a de Polignac number, because 70169894737 - 2¹⁵ = 70169861969 is a prime.

It is not a weakly prime, because it can be changed into another prime (70169895737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35084947368 + 35084947369.

It is an arithmetic number, because the mean of its divisors is an integer number (35084947369).

Almost surely, 2^70169894737 is an apocalyptic number.

It is an amenable number.

70169894737 is a deficient number, since it is larger than the sum of its proper divisors (1).

70169894737 is an equidigital number, since it uses as much as digits as its factorization.

70169894737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 70169894737 in words is "seventy billion, one hundred sixty-nine million, eight hundred ninety-four thousand, seven hundred thirty-seven".