2498215787 has 2 divisors, whose sum is σ = 2498215788. Its totient is φ = 2498215786.

The previous prime is 2498215729. The next prime is 2498215793. The reversal of 2498215787 is 7875128942.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2498215787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2498215717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249107893 + 1249107894.

It is an arithmetic number, because the mean of its divisors is an integer number (1249107894).

Almost surely, 2^2498215787 is an apocalyptic number.

2498215787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2498215787 is an equidigital number, since it uses as much as digits as its factorization.

2498215787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 53.

The square root of 2498215787 is about 49982.1546854475. The cubic root of 2498215787 is about 1356.8858581771.

The spelling of 2498215787 in words is "two billion, four hundred ninety-eight million, two hundred fifteen thousand, seven hundred eighty-seven".