249996934797 has 16 divisors (see below), whose sum is σ = 339832841280. Its totient is φ = 163427058432.

The previous prime is 249996934787. The next prime is 249996934813. The reversal of 249996934797 is 797439699942.

It is not a de Polignac number, because 249996934797 - 2⁸ = 249996934541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249996934777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708588 + ... + 1849125.

It is an arithmetic number, because the mean of its divisors is an integer number (21239552580).

Almost surely, 2^249996934797 is an apocalyptic number.

It is an amenable number.

249996934797 is a deficient number, since it is larger than the sum of its proper divisors (89835906483).

249996934797 is a wasteful number, since it uses less digits than its factorization.

249996934797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558172.

The product of its digits is 1666598976, while the sum is 78.

The spelling of 249996934797 in words is "two hundred forty-nine billion, nine hundred ninety-six million, nine hundred thirty-four thousand, seven hundred ninety-seven".