249454429958 has 16 divisors (see below), whose sum is σ = 374790453840. Its totient is φ = 124524339456.

The previous prime is 249454429957. The next prime is 249454429967. The reversal of 249454429958 is 859924454942.

It is a junction number, because it is equal to n+sod(n) for n = 249454429894 and 249454429903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249454429957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11858666 + ... + 11879682.

It is an arithmetic number, because the mean of its divisors is an integer number (23424403365).

Almost surely, 2^249454429958 is an apocalyptic number.

249454429958 is a deficient number, since it is larger than the sum of its proper divisors (125336023882).

249454429958 is a wasteful number, since it uses less digits than its factorization.

249454429958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391.

The product of its digits is 149299200, while the sum is 65.

The spelling of 249454429958 in words is "two hundred forty-nine billion, four hundred fifty-four million, four hundred twenty-nine thousand, nine hundred fifty-eight".