76749094691 has 2 divisors, whose sum is σ = 76749094692. Its totient is φ = 76749094690.

The previous prime is 76749094673. The next prime is 76749094789. The reversal of 76749094691 is 19649094767.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76749094691 is a prime.

It is not a weakly prime, because it can be changed into another prime (76749084691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38374547345 + 38374547346.

It is an arithmetic number, because the mean of its divisors is an integer number (38374547346).

Almost surely, 2^76749094691 is an apocalyptic number.

76749094691 is a deficient number, since it is larger than the sum of its proper divisors (1).

76749094691 is an equidigital number, since it uses as much as digits as its factorization.

76749094691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 76749094691 in words is "seventy-six billion, seven hundred forty-nine million, ninety-four thousand, six hundred ninety-one".