2491799348544 has 224 divisors, whose sum is σ = 7358427711360. Its totient is φ = 737761689600.

The previous prime is 2491799348531. The next prime is 2491799348569. The reversal of 2491799348544 is 4458439971942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26930392 + ... + 27022760.

Almost surely, 2^{2491799348544} is an apocalyptic number.

2491799348544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2491799348544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679213855680).

2491799348544 is an abundant number, since it is smaller than the sum of its proper divisors (4866628362816).

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

2491799348544 is a wasteful number, since it uses less digits than its factorization.

2491799348544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92689 (or 92679 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 69.

The spelling of 2491799348544 in words is "two trillion, four hundred ninety-one billion, seven hundred ninety-nine million, three hundred forty-eight thousand, five hundred forty-four".