249898000799 has 2 divisors, whose sum is σ = 249898000800. Its totient is φ = 249898000798.

The previous prime is 249898000771. The next prime is 249898000841. The reversal of 249898000799 is 997000898942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249898000799 - 2²⁴ = 249881223583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249898000199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124949000399 + 124949000400.

It is an arithmetic number, because the mean of its divisors is an integer number (124949000400).

Almost surely, 2^249898000799 is an apocalyptic number.

249898000799 is a deficient number, since it is larger than the sum of its proper divisors (1).

249898000799 is an equidigital number, since it uses as much as digits as its factorization.

249898000799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 249898000799 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, seven hundred ninety-nine", and thus it is an aban number.