2918241057791 has 2 divisors, whose sum is σ = 2918241057792. Its totient is φ = 2918241057790.

The previous prime is 2918241057731. The next prime is 2918241057869. The reversal of 2918241057791 is 1977501428192.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2918241057791 - 2⁶ = 2918241057727 is a prime.

It is a super-2 number, since 2×2918241057791² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2918241057731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459120528895 + 1459120528896.

It is an arithmetic number, because the mean of its divisors is an integer number (1459120528896).

Almost surely, 2^{2918241057791} is an apocalyptic number.

2918241057791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918241057791 is an equidigital number, since it uses as much as digits as its factorization.

2918241057791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 2918241057791 in words is "two trillion, nine hundred eighteen billion, two hundred forty-one million, fifty-seven thousand, seven hundred ninety-one".