25498002899 has 2 divisors, whose sum is σ = 25498002900. Its totient is φ = 25498002898.

The previous prime is 25498002847. The next prime is 25498002917. The reversal of 25498002899 is 99820089452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25498002899 is a prime.

It is a super-3 number, since 3×25498002899³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25498004899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12749001449 + 12749001450.

It is an arithmetic number, because the mean of its divisors is an integer number (12749001450).

Almost surely, 2^25498002899 is an apocalyptic number.

25498002899 is a deficient number, since it is larger than the sum of its proper divisors (1).

25498002899 is an equidigital number, since it uses as much as digits as its factorization.

25498002899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 25498002899 in words is "twenty-five billion, four hundred ninety-eight million, two thousand, eight hundred ninety-nine".