249112794546 has 96 divisors (see below), whose sum is σ = 695411418240. Its totient is φ = 64704610080.

The previous prime is 249112794523. The next prime is 249112794611. The reversal of 249112794546 is 645497211942.

249112794546 is a `hidden beast` number, since 2 + 4 + 9 + 1 + 1 + 2 + 7 + 94 + 546 = 666.

It is a super-2 number, since 2×249112794546² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249112794492 and 249112794501.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2677521 + ... + 2768996.

It is an arithmetic number, because the mean of its divisors is an integer number (7243868940).

Almost surely, 2^249112794546 is an apocalyptic number.

249112794546 is an abundant number, since it is smaller than the sum of its proper divisors (446298623694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249112794546 is a wasteful number, since it uses less digits than its factorization.

249112794546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446557 (or 5446540 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 249112794546 in words is "two hundred forty-nine billion, one hundred twelve million, seven hundred ninety-four thousand, five hundred forty-six".