699705613 has 2 divisors, whose sum is σ = 699705614. Its totient is φ = 699705612.

The previous prime is 699705551. The next prime is 699705641. The reversal of 699705613 is 316507996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552156004 + 147549609 = 23498^2 + 12147^2 .

It is a cyclic number.

It is not a de Polignac number, because 699705613 - 2¹⁷ = 699574541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699705673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349852806 + 349852807.

It is an arithmetic number, because the mean of its divisors is an integer number (349852807).

Almost surely, 2^699705613 is an apocalyptic number.

It is an amenable number.

699705613 is a deficient number, since it is larger than the sum of its proper divisors (1).

699705613 is an equidigital number, since it uses as much as digits as its factorization.

699705613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 699705613 is about 26451.9491342321. The cubic root of 699705613 is about 887.7795141015.

The spelling of 699705613 in words is "six hundred ninety-nine million, seven hundred five thousand, six hundred thirteen".