697199429 has 2 divisors, whose sum is σ = 697199430. Its totient is φ = 697199428.

The previous prime is 697199413. The next prime is 697199443. The reversal of 697199429 is 924991796.

697199429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444071329 + 253128100 = 21073^2 + 15910^2 .

It is a cyclic number.

It is not a de Polignac number, because 697199429 - 2⁴ = 697199413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697199479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348599714 + 348599715.

It is an arithmetic number, because the mean of its divisors is an integer number (348599715).

Almost surely, 2^697199429 is an apocalyptic number.

It is an amenable number.

697199429 is a deficient number, since it is larger than the sum of its proper divisors (1).

697199429 is an equidigital number, since it uses as much as digits as its factorization.

697199429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 56.

The square root of 697199429 is about 26404.5342507684. The cubic root of 697199429 is about 886.7183056558.

The spelling of 697199429 in words is "six hundred ninety-seven million, one hundred ninety-nine thousand, four hundred twenty-nine".