2491854924 has 24 divisors (see below), whose sum is σ = 6261584560. Its totient is φ = 766724544.

The previous prime is 2491854923. The next prime is 2491854949. The reversal of 2491854924 is 4294581942.

It is not an unprimeable number, because it can be changed into a prime (2491854923) 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, 7986559 + ... + 7986870.

Almost surely, 2^2491854924 is an apocalyptic number.

It is an amenable number.

2491854924 is an abundant number, since it is smaller than the sum of its proper divisors (3769729636).

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

2491854924 is a wasteful number, since it uses less digits than its factorization.

2491854924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15973449 (or 15973447 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 2491854924 is about 49918.4827894438. The cubic root of 2491854924 is about 1355.7332621584.

The spelling of 2491854924 in words is "two billion, four hundred ninety-one million, eight hundred fifty-four thousand, nine hundred twenty-four".