249464942 has 4 divisors (see below), whose sum is σ = 374197416. Its totient is φ = 124732470.

The previous prime is 249464911. The next prime is 249464981.

249464942 is nontrivially palindromic in base 10.

249464942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 249464893 and 249464902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62366234 + ... + 62366237.

It is an arithmetic number, because the mean of its divisors is an integer number (93549354).

Almost surely, 2^249464942 is an apocalyptic number.

249464942 is a deficient number, since it is larger than the sum of its proper divisors (124732474).

249464942 is a wasteful number, since it uses less digits than its factorization.

249464942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124732473.

The product of its digits is 497664, while the sum is 44.

The square root of 249464942 is about 15794.4592183462. The cubic root of 249464942 is about 629.5107833862.

The spelling of 249464942 in words is "two hundred forty-nine million, four hundred sixty-four thousand, nine hundred forty-two".