249423714243 has 48 divisors (see below), whose sum is σ = 395309457504. Its totient is φ = 150290657280.

The previous prime is 249423714229. The next prime is 249423714251. The reversal of 249423714243 is 342417324942.

249423714243 is a `hidden beast` number, since 2 + 49 + 423 + 7 + 142 + 43 = 666.

It is not a de Polignac number, because 249423714243 - 2⁹ = 249423713731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249423714203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43809505 + ... + 43815197.

It is an arithmetic number, because the mean of its divisors is an integer number (8235613698).

Almost surely, 2^249423714243 is an apocalyptic number.

249423714243 is a deficient number, since it is larger than the sum of its proper divisors (145885743261).

249423714243 is a wasteful number, since it uses less digits than its factorization.

249423714243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196 (or 8193 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 249423714243 in words is "two hundred forty-nine billion, four hundred twenty-three million, seven hundred fourteen thousand, two hundred forty-three".