249632347041 has 64 divisors (see below), whose sum is σ = 461176934400. Its totient is φ = 129652272000.

The previous prime is 249632347009. The next prime is 249632347057. The reversal of 249632347041 is 140743236942.

249632347041 is a `hidden beast` number, since 2 + 4 + 9 + 632 + 3 + 4 + 7 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 249632347041 - 2⁵ = 249632347009 is a prime.

It is a super-2 number, since 2×249632347041² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249632347091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13610365 + ... + 13628693.

It is an arithmetic number, because the mean of its divisors is an integer number (7205889600).

Almost surely, 2^249632347041 is an apocalyptic number.

249632347041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

249632347041 is a deficient number, since it is larger than the sum of its proper divisors (211544587359).

249632347041 is a wasteful number, since it uses less digits than its factorization.

249632347041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24907 (or 24901 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 249632347041 in words is "two hundred forty-nine billion, six hundred thirty-two million, three hundred forty-seven thousand, forty-one".