7740103991 has 2 divisors, whose sum is σ = 7740103992. Its totient is φ = 7740103990.

The previous prime is 7740103981. The next prime is 7740104051. The reversal of 7740103991 is 1993010477.

7740103991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7740103991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7740103981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870051995 + 3870051996.

It is an arithmetic number, because the mean of its divisors is an integer number (3870051996).

Almost surely, 2^7740103991 is an apocalyptic number.

7740103991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7740103991 is an equidigital number, since it uses as much as digits as its factorization.

7740103991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 7740103991 is about 87977.8608003173. The cubic root of 7740103991 is about 1978.1031378766.

The spelling of 7740103991 in words is "seven billion, seven hundred forty million, one hundred three thousand, nine hundred ninety-one".