249425454623 has 12 divisors (see below), whose sum is σ = 251811054792. Its totient is φ = 247056067440.

The previous prime is 249425454613. The next prime is 249425454631. The reversal of 249425454623 is 326454524942.

It is not a de Polignac number, because 249425454623 - 2⁶ = 249425454559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249425454613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10138928 + ... + 10163498.

It is an arithmetic number, because the mean of its divisors is an integer number (20984254566).

Almost surely, 2^249425454623 is an apocalyptic number.

249425454623 is a deficient number, since it is larger than the sum of its proper divisors (2385600169).

249425454623 is an equidigital number, since it uses as much as digits as its factorization.

249425454623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222 (or 24995 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 50.

The spelling of 249425454623 in words is "two hundred forty-nine billion, four hundred twenty-five million, four hundred fifty-four thousand, six hundred twenty-three".