249470294 has 4 divisors (see below), whose sum is σ = 374205444. Its totient is φ = 124735146.

The previous prime is 249470269. The next prime is 249470321. The reversal of 249470294 is 492074942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492074942 = 2 ⋅246037471.

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, 62367572 + ... + 62367575.

It is an arithmetic number, because the mean of its divisors is an integer number (93551361).

Almost surely, 2^249470294 is an apocalyptic number.

249470294 is a deficient number, since it is larger than the sum of its proper divisors (124735150).

249470294 is a wasteful number, since it uses less digits than its factorization.

249470294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124735149.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 249470294 is about 15794.6286439410. The cubic root of 249470294 is about 629.5152851779.

The spelling of 249470294 in words is "two hundred forty-nine million, four hundred seventy thousand, two hundred ninety-four".