699901039 has 2 divisors, whose sum is σ = 699901040. Its totient is φ = 699901038.

The previous prime is 699901021. The next prime is 699901057. The reversal of 699901039 is 930109996.

It is a balanced prime because it is at equal distance from previous prime (699901021) and next prime (699901057).

It is a cyclic number.

It is not a de Polignac number, because 699901039 - 2¹⁵ = 699868271 is a prime.

It is a super-2 number, since 2×699901039² = 979722928786559042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 699901039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699901019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349950519 + 349950520.

It is an arithmetic number, because the mean of its divisors is an integer number (349950520).

Almost surely, 2^699901039 is an apocalyptic number.

699901039 is a deficient number, since it is larger than the sum of its proper divisors (1).

699901039 is an equidigital number, since it uses as much as digits as its factorization.

699901039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 699901039 is about 26455.6428574321. The cubic root of 699901039 is about 887.8621579288.

The spelling of 699901039 in words is "six hundred ninety-nine million, nine hundred one thousand, thirty-nine".