2456984987 has 2 divisors, whose sum is σ = 2456984988. Its totient is φ = 2456984986.

The previous prime is 2456984953. The next prime is 2456985029. The reversal of 2456984987 is 7894896542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2456984987 - 2²⁴ = 2440207771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2456984917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228492493 + 1228492494.

It is an arithmetic number, because the mean of its divisors is an integer number (1228492494).

Almost surely, 2^2456984987 is an apocalyptic number.

2456984987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456984987 is an equidigital number, since it uses as much as digits as its factorization.

2456984987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 62.

The square root of 2456984987 is about 49567.9834873278. The cubic root of 2456984987 is about 1349.3796852012.

The spelling of 2456984987 in words is "two billion, four hundred fifty-six million, nine hundred eighty-four thousand, nine hundred eighty-seven".