699040117 has 2 divisors, whose sum is σ = 699040118. Its totient is φ = 699040116.

The previous prime is 699040109. The next prime is 699040159. The reversal of 699040117 is 711040996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 523768996 + 175271121 = 22886^2 + 13239^2 .

It is a cyclic number.

It is not a de Polignac number, because 699040117 - 2³ = 699040109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699044117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349520058 + 349520059.

It is an arithmetic number, because the mean of its divisors is an integer number (349520059).

Almost surely, 2^699040117 is an apocalyptic number.

It is an amenable number.

699040117 is a deficient number, since it is larger than the sum of its proper divisors (1).

699040117 is an equidigital number, since it uses as much as digits as its factorization.

699040117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 699040117 is about 26439.3668040670. The cubic root of 699040117 is about 887.4979665893.

The spelling of 699040117 in words is "six hundred ninety-nine million, forty thousand, one hundred seventeen".