2163523498987 has 2 divisors, whose sum is σ = 2163523498988. Its totient is φ = 2163523498986.

The previous prime is 2163523498951. The next prime is 2163523499021. The reversal of 2163523498987 is 7898943253612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2163523498987 - 2¹⁵ = 2163523466219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2163523498387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081761749493 + 1081761749494.

It is an arithmetic number, because the mean of its divisors is an integer number (1081761749494).

Almost surely, 2^{2163523498987} is an apocalyptic number.

2163523498987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163523498987 is an equidigital number, since it uses as much as digits as its factorization.

2163523498987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156764160, while the sum is 67.

The spelling of 2163523498987 in words is "two trillion, one hundred sixty-three billion, five hundred twenty-three million, four hundred ninety-eight thousand, nine hundred eighty-seven".