249454920590 has 16 divisors (see below), whose sum is σ = 455720632272. Its totient is φ = 98292684864.

The previous prime is 249454920557. The next prime is 249454920607. The reversal of 249454920590 is 95029454942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186159719 + ... + 186161058.

It is an arithmetic number, because the mean of its divisors is an integer number (28482539517).

Almost surely, 2^249454920590 is an apocalyptic number.

249454920590 is a deficient number, since it is larger than the sum of its proper divisors (206265711682).

249454920590 is a wasteful number, since it uses less digits than its factorization.

249454920590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372320851.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 249454920590 in words is "two hundred forty-nine billion, four hundred fifty-four million, nine hundred twenty thousand, five hundred ninety".