699936901 has 2 divisors, whose sum is σ = 699936902. Its totient is φ = 699936900.

The previous prime is 699936889. The next prime is 699936907. The reversal of 699936901 is 109639996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697012801 + 2924100 = 26401^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 699936901 - 2⁷ = 699936773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699936907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349968450 + 349968451.

It is an arithmetic number, because the mean of its divisors is an integer number (349968451).

Almost surely, 2^699936901 is an apocalyptic number.

It is an amenable number.

699936901 is a deficient number, since it is larger than the sum of its proper divisors (1).

699936901 is an equidigital number, since it uses as much as digits as its factorization.

699936901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708588, while the sum is 52.

The square root of 699936901 is about 26456.3206247581. The cubic root of 699936901 is about 887.8773219625.

The spelling of 699936901 in words is "six hundred ninety-nine million, nine hundred thirty-six thousand, nine hundred one".