70840106269 has 2 divisors, whose sum is σ = 70840106270. Its totient is φ = 70840106268.

The previous prime is 70840106261. The next prime is 70840106297. The reversal of 70840106269 is 96260104807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38883896100 + 31956210169 = 197190^2 + 178763^2 .

It is a cyclic number.

It is not a de Polignac number, because 70840106269 - 2³ = 70840106261 is a prime.

It is a super-2 number, since 2×70840106269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70840106261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35420053134 + 35420053135.

It is an arithmetic number, because the mean of its divisors is an integer number (35420053135).

Almost surely, 2^70840106269 is an apocalyptic number.

It is an amenable number.

70840106269 is a deficient number, since it is larger than the sum of its proper divisors (1).

70840106269 is an equidigital number, since it uses as much as digits as its factorization.

70840106269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 70840106269 in words is "seventy billion, eight hundred forty million, one hundred six thousand, two hundred sixty-nine".