2190715365431 has 2 divisors, whose sum is σ = 2190715365432. Its totient is φ = 2190715365430.

The previous prime is 2190715365373. The next prime is 2190715365457. The reversal of 2190715365431 is 1345635170912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2190715365431 - 2¹⁴ = 2190715349047 is a prime.

It is a super-2 number, since 2×2190715365431² (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 (2190715365331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095357682715 + 1095357682716.

It is an arithmetic number, because the mean of its divisors is an integer number (1095357682716).

Almost surely, 2^{2190715365431} is an apocalyptic number.

2190715365431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190715365431 is an equidigital number, since it uses as much as digits as its factorization.

2190715365431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 2190715365431 in words is "two trillion, one hundred ninety billion, seven hundred fifteen million, three hundred sixty-five thousand, four hundred thirty-one".