249012003137 has 4 divisors (see below), whose sum is σ = 249206090160. Its totient is φ = 248817916116.

The previous prime is 249012003133. The next prime is 249012003161. The reversal of 249012003137 is 731300210942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 249012003137 - 2² = 249012003133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249012003133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97041587 + ... + 97044152.

It is an arithmetic number, because the mean of its divisors is an integer number (62301522540).

Almost surely, 2^249012003137 is an apocalyptic number.

It is an amenable number.

249012003137 is a deficient number, since it is larger than the sum of its proper divisors (194087023).

249012003137 is a wasteful number, since it uses less digits than its factorization.

249012003137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194087022.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 249012003137 in words is "two hundred forty-nine billion, twelve million, three thousand, one hundred thirty-seven".