70576642397 has 2 divisors, whose sum is σ = 70576642398. Its totient is φ = 70576642396.

The previous prime is 70576642277. The next prime is 70576642399. The reversal of 70576642397 is 79324667507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70164592996 + 412049401 = 264886^2 + 20299^2 .

It is a cyclic number.

It is not a de Polignac number, because 70576642397 - 2¹⁴ = 70576626013 is a prime.

Together with 70576642399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70576642399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35288321198 + 35288321199.

It is an arithmetic number, because the mean of its divisors is an integer number (35288321199).

Almost surely, 2^70576642397 is an apocalyptic number.

It is an amenable number.

70576642397 is a deficient number, since it is larger than the sum of its proper divisors (1).

70576642397 is an equidigital number, since it uses as much as digits as its factorization.

70576642397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 56.

The spelling of 70576642397 in words is "seventy billion, five hundred seventy-six million, six hundred forty-two thousand, three hundred ninety-seven".