2168514963 has 8 divisors (see below), whose sum is σ = 3212614800. Its totient is φ = 1445676624.

The previous prime is 2168514947. The next prime is 2168514979. The reversal of 2168514963 is 3694158612.

It is an interprime number because it is at equal distance from previous prime (2168514947) and next prime (2168514979).

It is not a de Polignac number, because 2168514963 - 2⁴ = 2168514947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2168514763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40157658 + ... + 40157711.

It is an arithmetic number, because the mean of its divisors is an integer number (401576850).

Almost surely, 2^2168514963 is an apocalyptic number.

2168514963 is a deficient number, since it is larger than the sum of its proper divisors (1044099837).

2168514963 is an equidigital number, since it uses as much as digits as its factorization.

2168514963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80315378 (or 80315372 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2168514963 is about 46567.3164676686. The cubic root of 2168514963 is about 1294.3571916486.

The spelling of 2168514963 in words is "two billion, one hundred sixty-eight million, five hundred fourteen thousand, nine hundred sixty-three".