4767745991 has 2 divisors, whose sum is σ = 4767745992. Its totient is φ = 4767745990.

The previous prime is 4767745987. The next prime is 4767746141. The reversal of 4767745991 is 1995477674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4767745991 - 2² = 4767745987 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4767745991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4767745391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2383872995 + 2383872996.

It is an arithmetic number, because the mean of its divisors is an integer number (2383872996).

Almost surely, 2^4767745991 is an apocalyptic number.

4767745991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4767745991 is an equidigital number, since it uses as much as digits as its factorization.

4767745991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 59.

The square root of 4767745991 is about 69048.8666887444. The cubic root of 4767745991 is about 1683.0784907895.

The spelling of 4767745991 in words is "four billion, seven hundred sixty-seven million, seven hundred forty-five thousand, nine hundred ninety-one".