70697244861 has 6 divisors (see below), whose sum is σ = 102118242590. Its totient is φ = 47131496568.

The previous prime is 70697244829. The next prime is 70697244881. The reversal of 70697244861 is 16844279607.

70697244861 is a `hidden beast` number, since 70 + 6 + 9 + 72 + 448 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48468224025 + 22229020836 = 220155^2 + 149094^2 .

It is not a de Polignac number, because 70697244861 - 2⁵ = 70697244829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70697244798 and 70697244807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70697244881) 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 in 5 ways as a sum of consecutive naturals, for example, 3927624706 + ... + 3927624723.

Almost surely, 2^70697244861 is an apocalyptic number.

It is an amenable number.

70697244861 is a deficient number, since it is larger than the sum of its proper divisors (31420997729).

70697244861 is a wasteful number, since it uses less digits than its factorization.

70697244861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855249435 (or 7855249432 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 70697244861 in words is "seventy billion, six hundred ninety-seven million, two hundred forty-four thousand, eight hundred sixty-one".