697199413 has 2 divisors, whose sum is σ = 697199414. Its totient is φ = 697199412.

The previous prime is 697199381. The next prime is 697199429. The reversal of 697199413 is 314991796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693110929 + 4088484 = 26327^2 + 2022^2 .

It is a cyclic number.

It is not a de Polignac number, because 697199413 - 2⁵ = 697199381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697199443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348599706 + 348599707.

It is an arithmetic number, because the mean of its divisors is an integer number (348599707).

Almost surely, 2^697199413 is an apocalyptic number.

It is an amenable number.

697199413 is a deficient number, since it is larger than the sum of its proper divisors (1).

697199413 is an equidigital number, since it uses as much as digits as its factorization.

697199413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 49.

The square root of 697199413 is about 26404.5339477901. The cubic root of 697199413 is about 886.7182988727.

The spelling of 697199413 in words is "six hundred ninety-seven million, one hundred ninety-nine thousand, four hundred thirteen".