2087494631 has 2 divisors, whose sum is σ = 2087494632. Its totient is φ = 2087494630.

The previous prime is 2087494621. The next prime is 2087494637. The reversal of 2087494631 is 1364947802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2087494631 - 2²² = 2083300327 is a prime.

It is a super-2 number, since 2×2087494631² = 8715267668907652322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2087494637) 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, 1043747315 + 1043747316.

It is an arithmetic number, because the mean of its divisors is an integer number (1043747316).

Almost surely, 2^2087494631 is an apocalyptic number.

2087494631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087494631 is an equidigital number, since it uses as much as digits as its factorization.

2087494631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2087494631 is about 45689.1084504830. The cubic root of 2087494631 is about 1278.0321795495.

The spelling of 2087494631 in words is "two billion, eighty-seven million, four hundred ninety-four thousand, six hundred thirty-one".