1696272631 has 4 divisors (see below), whose sum is σ = 1796053392. Its totient is φ = 1596491872.

The previous prime is 1696272593. The next prime is 1696272647. The reversal of 1696272631 is 1362726961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1696272631 - 2⁷ = 1696272503 is a prime.

It is a super-2 number, since 2×1696272631² = 5754681677359324322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696272661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49890355 + ... + 49890388.

It is an arithmetic number, because the mean of its divisors is an integer number (449013348).

Almost surely, 2^1696272631 is an apocalyptic number.

1696272631 is a deficient number, since it is larger than the sum of its proper divisors (99780761).

1696272631 is an equidigital number, since it uses as much as digits as its factorization.

1696272631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99780760.

The product of its digits is 163296, while the sum is 43.

The square root of 1696272631 is about 41185.8304638865. The cubic root of 1696272631 is about 1192.6102885015.

The spelling of 1696272631 in words is "one billion, six hundred ninety-six million, two hundred seventy-two thousand, six hundred thirty-one".