249424731403 has 8 divisors (see below), whose sum is σ = 262255513680. Its totient is φ = 236875944480.

The previous prime is 249424731377. The next prime is 249424731427. The reversal of 249424731403 is 304137424942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249424731403 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 249424731403.

It is not an unprimeable number, because it can be changed into a prime (249424731433) 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, 70497025 + ... + 70500562.

It is an arithmetic number, because the mean of its divisors is an integer number (32781939210).

Almost surely, 2^249424731403 is an apocalyptic number.

249424731403 is a deficient number, since it is larger than the sum of its proper divisors (12830782277).

249424731403 is a wasteful number, since it uses less digits than its factorization.

249424731403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140997677.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 249424731403 in words is "two hundred forty-nine billion, four hundred twenty-four million, seven hundred thirty-one thousand, four hundred three".