2449904987 has 2 divisors, whose sum is σ = 2449904988. Its totient is φ = 2449904986.

The previous prime is 2449904971. The next prime is 2449904993. The reversal of 2449904987 is 7894099442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2449904987 - 2⁴ = 2449904971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2449904917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224952493 + 1224952494.

It is an arithmetic number, because the mean of its divisors is an integer number (1224952494).

Almost surely, 2^2449904987 is an apocalyptic number.

2449904987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449904987 is an equidigital number, since it uses as much as digits as its factorization.

2449904987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 2449904987 is about 49496.5148975158. The cubic root of 2449904987 is about 1348.0823228597.

The spelling of 2449904987 in words is "two billion, four hundred forty-nine million, nine hundred four thousand, nine hundred eighty-seven".