774113223691 has 2 divisors, whose sum is σ = 774113223692. Its totient is φ = 774113223690.

The previous prime is 774113223649. The next prime is 774113223707. The reversal of 774113223691 is 196322311477.

774113223691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 774113223691 - 2³¹ = 771965740043 is a prime.

It is not a weakly prime, because it can be changed into another prime (774113223991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387056611845 + 387056611846.

It is an arithmetic number, because the mean of its divisors is an integer number (387056611846).

Almost surely, 2^774113223691 is an apocalyptic number.

774113223691 is a deficient number, since it is larger than the sum of its proper divisors (1).

774113223691 is an equidigital number, since it uses as much as digits as its factorization.

774113223691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The spelling of 774113223691 in words is "seven hundred seventy-four billion, one hundred thirteen million, two hundred twenty-three thousand, six hundred ninety-one".