2002187046631 has 2 divisors, whose sum is σ = 2002187046632. Its totient is φ = 2002187046630.

The previous prime is 2002187046539. The next prime is 2002187046637. The reversal of 2002187046631 is 1366407812002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002187046631 - 2¹⁷ = 2002186915559 is a prime.

It is a super-2 number, since 2×2002187046631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002187046637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001093523315 + 1001093523316.

It is an arithmetic number, because the mean of its divisors is an integer number (1001093523316).

Almost surely, 2^{2002187046631} is an apocalyptic number.

2002187046631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002187046631 is an equidigital number, since it uses as much as digits as its factorization.

2002187046631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 2002187046631 in words is "two trillion, two billion, one hundred eighty-seven million, forty-six thousand, six hundred thirty-one".