249898898942 has 32 divisors (see below), whose sum is σ = 473925717504. Its totient is φ = 95991890400.

The previous prime is 249898898939. The next prime is 249898898993.

249898898942 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11416673 + ... + 11438540.

It is an arithmetic number, because the mean of its divisors is an integer number (14810178672).

Almost surely, 2^249898898942 is an apocalyptic number.

249898898942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249898898942 is a deficient number, since it is larger than the sum of its proper divisors (224026818562).

249898898942 is a wasteful number, since it uses less digits than its factorization.

249898898942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22855304.

The product of its digits is 1719926784, while the sum is 80.

The spelling of 249898898942 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, eight hundred ninety-eight thousand, nine hundred forty-two".