2491939597441 has 8 divisors (see below), whose sum is σ = 2849012619264. Its totient is φ = 2135136988320.

The previous prime is 2491939597361. The next prime is 2491939597463. The reversal of 2491939597441 is 1447959391942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2491939597441 - 2³⁵ = 2457579859073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2491939597541) 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, 67583425 + ... + 67620286.

It is an arithmetic number, because the mean of its divisors is an integer number (356126577408).

Almost surely, 2^{2491939597441} is an apocalyptic number.

It is an amenable number.

2491939597441 is a deficient number, since it is larger than the sum of its proper divisors (357073021823).

2491939597441 is a wasteful number, since it uses less digits than its factorization.

2491939597441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135206351.

The product of its digits is 88179840, while the sum is 67.

The spelling of 2491939597441 in words is "two trillion, four hundred ninety-one billion, nine hundred thirty-nine million, five hundred ninety-seven thousand, four hundred forty-one".