1896832631 has 2 divisors, whose sum is σ = 1896832632. Its totient is φ = 1896832630.

The previous prime is 1896832603. The next prime is 1896832649. The reversal of 1896832631 is 1362386981.

It is a strong prime.

It is an emirp because it is prime and its reverse (1362386981) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1896832631 is a prime.

It is a super-2 number, since 2×1896832631² = 7195948060052764322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1896832601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948416315 + 948416316.

It is an arithmetic number, because the mean of its divisors is an integer number (948416316).

Almost surely, 2^1896832631 is an apocalyptic number.

1896832631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1896832631 is an equidigital number, since it uses as much as digits as its factorization.

1896832631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 1896832631 is about 43552.6420668138. The cubic root of 1896832631 is about 1237.8737040394.

The spelling of 1896832631 in words is "one billion, eight hundred ninety-six million, eight hundred thirty-two thousand, six hundred thirty-one".