2951590987 has 2 divisors, whose sum is σ = 2951590988. Its totient is φ = 2951590986.

The previous prime is 2951590921. The next prime is 2951590997. The reversal of 2951590987 is 7890951592.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2951590987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2951590997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475795493 + 1475795494.

It is an arithmetic number, because the mean of its divisors is an integer number (1475795494).

Almost surely, 2^2951590987 is an apocalyptic number.

2951590987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2951590987 is an equidigital number, since it uses as much as digits as its factorization.

2951590987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 55.

The square root of 2951590987 is about 54328.5467042880. The cubic root of 2951590987 is about 1434.4499240482.

The spelling of 2951590987 in words is "two billion, nine hundred fifty-one million, five hundred ninety thousand, nine hundred eighty-seven".