1699368431 has 2 divisors, whose sum is σ = 1699368432. Its totient is φ = 1699368430.

The previous prime is 1699368397. The next prime is 1699368497. The reversal of 1699368431 is 1348639961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1699368431 - 2¹⁰ = 1699367407 is a prime.

It is a super-2 number, since 2×1699368431² = 5775706128558803522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1699368431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1699361431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 849684215 + 849684216.

It is an arithmetic number, because the mean of its divisors is an integer number (849684216).

Almost surely, 2^1699368431 is an apocalyptic number.

1699368431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1699368431 is an equidigital number, since it uses as much as digits as its factorization.

1699368431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 1699368431 is about 41223.3966455944. The cubic root of 1699368431 is about 1193.3353761725.

The spelling of 1699368431 in words is "one billion, six hundred ninety-nine million, three hundred sixty-eight thousand, four hundred thirty-one".