249898000537 has 2 divisors, whose sum is σ = 249898000538. Its totient is φ = 249898000536.

The previous prime is 249898000463. The next prime is 249898000591. The reversal of 249898000537 is 735000898942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153667136016 + 96230864521 = 392004^2 + 310211^2 .

It is a cyclic number.

It is not a de Polignac number, because 249898000537 - 2¹¹ = 249897998489 is a prime.

It is not a weakly prime, because it can be changed into another prime (249898100537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124949000268 + 124949000269.

It is an arithmetic number, because the mean of its divisors is an integer number (124949000269).

Almost surely, 2^249898000537 is an apocalyptic number.

It is an amenable number.

249898000537 is a deficient number, since it is larger than the sum of its proper divisors (1).

249898000537 is an equidigital number, since it uses as much as digits as its factorization.

249898000537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 249898000537 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, five hundred thirty-seven", and thus it is an aban number.