2494097987 has 2 divisors, whose sum is σ = 2494097988. Its totient is φ = 2494097986.

The previous prime is 2494097953. The next prime is 2494098029. The reversal of 2494097987 is 7897904942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2494097987 - 2⁸ = 2494097731 is a prime.

It is not a weakly prime, because it can be changed into another prime (2494097917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247048993 + 1247048994.

It is an arithmetic number, because the mean of its divisors is an integer number (1247048994).

Almost surely, 2^2494097987 is an apocalyptic number.

2494097987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494097987 is an equidigital number, since it uses as much as digits as its factorization.

2494097987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The square root of 2494097987 is about 49940.9449950639. The cubic root of 2494097987 is about 1356.1399315150.

The spelling of 2494097987 in words is "two billion, four hundred ninety-four million, ninety-seven thousand, nine hundred eighty-seven".