694020429 has 12 divisors (see below), whose sum is σ = 1055236000. Its totient is φ = 438328584.

The previous prime is 694020413. The next prime is 694020449. The reversal of 694020429 is 924020496.

It is not a de Polignac number, because 694020429 - 2⁴ = 694020413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694020393 and 694020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694020449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2029129 + ... + 2029470.

Almost surely, 2^694020429 is an apocalyptic number.

It is an amenable number.

694020429 is a deficient number, since it is larger than the sum of its proper divisors (361215571).

694020429 is a wasteful number, since it uses less digits than its factorization.

694020429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058624 (or 4058621 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 694020429 is about 26344.2674789033. The cubic root of 694020429 is about 885.3685374991.

The spelling of 694020429 in words is "six hundred ninety-four million, twenty thousand, four hundred twenty-nine".