2491924111 has 2 divisors, whose sum is σ = 2491924112. Its totient is φ = 2491924110.

The previous prime is 2491924103. The next prime is 2491924207. The reversal of 2491924111 is 1114291942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2491924111 - 2³ = 2491924103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2491924411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245962055 + 1245962056.

It is an arithmetic number, because the mean of its divisors is an integer number (1245962056).

Almost surely, 2^2491924111 is an apocalyptic number.

2491924111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2491924111 is an equidigital number, since it uses as much as digits as its factorization.

2491924111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 2491924111 is about 49919.1757844618. The cubic root of 2491924111 is about 1355.7458094712.

The spelling of 2491924111 in words is "two billion, four hundred ninety-one million, nine hundred twenty-four thousand, one hundred eleven".