699993907 has 2 divisors, whose sum is σ = 699993908. Its totient is φ = 699993906.

The previous prime is 699993881. The next prime is 699993923. The reversal of 699993907 is 709399996.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699993907 is a prime.

It is not a weakly prime, because it can be changed into another prime (699993407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349996953 + 349996954.

It is an arithmetic number, because the mean of its divisors is an integer number (349996954).

Almost surely, 2^699993907 is an apocalyptic number.

699993907 is a deficient number, since it is larger than the sum of its proper divisors (1).

699993907 is an equidigital number, since it uses as much as digits as its factorization.

699993907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7440174, while the sum is 61.

The square root of 699993907 is about 26457.3979635186. The cubic root of 699993907 is about 887.9014255451.

The spelling of 699993907 in words is "six hundred ninety-nine million, nine hundred ninety-three thousand, nine hundred seven".