1696949431 has 2 divisors, whose sum is σ = 1696949432. Its totient is φ = 1696949430.

The previous prime is 1696949399. The next prime is 1696949447. The reversal of 1696949431 is 1349496961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1696949431 - 2⁵ = 1696949399 is a prime.

It is a super-2 number, since 2×1696949431² = 5759274742742447522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1696949491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848474715 + 848474716.

It is an arithmetic number, because the mean of its divisors is an integer number (848474716).

Almost surely, 2^1696949431 is an apocalyptic number.

1696949431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696949431 is an equidigital number, since it uses as much as digits as its factorization.

1696949431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 52.

The square root of 1696949431 is about 41194.0460625076. The cubic root of 1696949431 is about 1192.7688815842.

The spelling of 1696949431 in words is "one billion, six hundred ninety-six million, nine hundred forty-nine thousand, four hundred thirty-one".