249628730701 has 4 divisors (see below), whose sum is σ = 285289977952. Its totient is φ = 213967483452.

The previous prime is 249628730699. The next prime is 249628730723. The reversal of 249628730701 is 107037826942.

It is a happy number.

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 249628730701 - 2¹ = 249628730699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249628730101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17830623615 + ... + 17830623628.

It is an arithmetic number, because the mean of its divisors is an integer number (71322494488).

Almost surely, 2^249628730701 is an apocalyptic number.

It is an amenable number.

249628730701 is a deficient number, since it is larger than the sum of its proper divisors (35661247251).

249628730701 is an equidigital number, since it uses as much as digits as its factorization.

249628730701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35661247250.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 249628730701 in words is "two hundred forty-nine billion, six hundred twenty-eight million, seven hundred thirty thousand, seven hundred one".