697431429 has 12 divisors (see below), whose sum is σ = 1008629856. Its totient is φ = 464387112.

The previous prime is 697431421. The next prime is 697431433. The reversal of 697431429 is 924134796.

It is a happy number.

697431429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 697431429 - 2³ = 697431421 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697431421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39409 + ... + 54294.

It is an arithmetic number, because the mean of its divisors is an integer number (84052488).

Almost surely, 2^697431429 is an apocalyptic number.

It is an amenable number.

697431429 is a deficient number, since it is larger than the sum of its proper divisors (311198427).

697431429 is a wasteful number, since it uses less digits than its factorization.

697431429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94536 (or 94533 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 697431429 is about 26408.9270702162. The cubic root of 697431429 is about 886.8166495080.

The spelling of 697431429 in words is "six hundred ninety-seven million, four hundred thirty-one thousand, four hundred twenty-nine".