70843120097 has 2 divisors, whose sum is σ = 70843120098. Its totient is φ = 70843120096.

The previous prime is 70843120063. The next prime is 70843120099. The reversal of 70843120097 is 79002134807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40352372641 + 30490747456 = 200879^2 + 174616^2 .

It is a cyclic number.

It is not a de Polignac number, because 70843120097 - 2²⁸ = 70574684641 is a prime.

Together with 70843120099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70843120099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35421560048 + 35421560049.

It is an arithmetic number, because the mean of its divisors is an integer number (35421560049).

Almost surely, 2^70843120097 is an apocalyptic number.

It is an amenable number.

70843120097 is a deficient number, since it is larger than the sum of its proper divisors (1).

70843120097 is an equidigital number, since it uses as much as digits as its factorization.

70843120097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 70843120097 in words is "seventy billion, eight hundred forty-three million, one hundred twenty thousand, ninety-seven".