249382990403 has 4 divisors (see below), whose sum is σ = 249384033528. Its totient is φ = 249381947280.

The previous prime is 249382990397. The next prime is 249382990411. The reversal of 249382990403 is 304099283942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 249382990403 - 2²⁰ = 249381941827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249382990453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35063 + ... + 707103.

It is an arithmetic number, because the mean of its divisors is an integer number (62346008382).

Almost surely, 2^249382990403 is an apocalyptic number.

249382990403 is a deficient number, since it is larger than the sum of its proper divisors (1043125).

249382990403 is an equidigital number, since it uses as much as digits as its factorization.

249382990403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043124.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 249382990403 in words is "two hundred forty-nine billion, three hundred eighty-two million, nine hundred ninety thousand, four hundred three".