250742430899 has 8 divisors (see below), whose sum is σ = 253237271040. Its totient is φ = 248248753416.

The previous prime is 250742430863. The next prime is 250742430919. The reversal of 250742430899 is 998034247052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 250742430899 - 2²⁰ = 250741382323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250742430899.

It is not an unprimeable number, because it can be changed into a prime (250742430299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146054 + ... + 723060.

It is an arithmetic number, because the mean of its divisors is an integer number (31654658880).

Almost surely, 2^250742430899 is an apocalyptic number.

250742430899 is a deficient number, since it is larger than the sum of its proper divisors (2494840141).

250742430899 is a wasteful number, since it uses less digits than its factorization.

250742430899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581329.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 250742430899 in words is "two hundred fifty billion, seven hundred forty-two million, four hundred thirty thousand, eight hundred ninety-nine".