699694027 has 2 divisors, whose sum is σ = 699694028. Its totient is φ = 699694026.

The previous prime is 699694003. The next prime is 699694031. The reversal of 699694027 is 720496996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 699694027 - 2²⁷ = 565476299 is a prime.

It is not a weakly prime, because it can be changed into another prime (699694097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349847013 + 349847014.

It is an arithmetic number, because the mean of its divisors is an integer number (349847014).

Almost surely, 2^699694027 is an apocalyptic number.

699694027 is a deficient number, since it is larger than the sum of its proper divisors (1).

699694027 is an equidigital number, since it uses as much as digits as its factorization.

699694027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 699694027 is about 26451.7301324507. The cubic root of 699694027 is about 887.7746140073.

The spelling of 699694027 in words is "six hundred ninety-nine million, six hundred ninety-four thousand, twenty-seven".