249990673701 has 12 divisors (see below), whose sum is σ = 351787431552. Its totient is φ = 157888845864.

The previous prime is 249990673697. The next prime is 249990673741. The reversal of 249990673701 is 107376099942.

It is not a de Polignac number, because 249990673701 - 2² = 249990673697 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249990673741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115414741 + ... + 115416906.

It is an arithmetic number, because the mean of its divisors is an integer number (29315619296).

Almost surely, 2^249990673701 is an apocalyptic number.

It is an amenable number.

249990673701 is a deficient number, since it is larger than the sum of its proper divisors (101796757851).

249990673701 is a wasteful number, since it uses less digits than its factorization.

249990673701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230831688 (or 230831669 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 249990673701 in words is "two hundred forty-nine billion, nine hundred ninety million, six hundred seventy-three thousand, seven hundred one".