249421452723 has 48 divisors (see below), whose sum is σ = 364856918400. Its totient is φ = 164183725440.

The previous prime is 249421452713. The next prime is 249421452733. The reversal of 249421452723 is 327254124942.

249421452723 is a `hidden beast` number, since 2 + 4 + 94 + 2 + 14 + 527 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (249421452713) and next prime (249421452733).

It is not a de Polignac number, because 249421452723 - 2⁶ = 249421452659 is a prime.

It is a super-2 number, since 2×249421452723² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249421452713) 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, 274995636 + ... + 274996542.

It is an arithmetic number, because the mean of its divisors is an integer number (7601185800).

Almost surely, 2^249421452723 is an apocalyptic number.

249421452723 is a deficient number, since it is larger than the sum of its proper divisors (115435465677).

249421452723 is a wasteful number, since it uses less digits than its factorization.

249421452723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2109 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 249421452723 in words is "two hundred forty-nine billion, four hundred twenty-one million, four hundred fifty-two thousand, seven hundred twenty-three".