2130500987 has 2 divisors, whose sum is σ = 2130500988. Its totient is φ = 2130500986.

The previous prime is 2130500963. The next prime is 2130501031. The reversal of 2130500987 is 7890050312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130500987 - 2²⁴ = 2113723771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130500087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065250493 + 1065250494.

It is an arithmetic number, because the mean of its divisors is an integer number (1065250494).

Almost surely, 2^2130500987 is an apocalyptic number.

2130500987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130500987 is an equidigital number, since it uses as much as digits as its factorization.

2130500987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 2130500987 is about 46157.3503030666. The cubic root of 2130500987 is about 1286.7492187616.

The spelling of 2130500987 in words is "two billion, one hundred thirty million, five hundred thousand, nine hundred eighty-seven".