4769917991 has 2 divisors, whose sum is σ = 4769917992. Its totient is φ = 4769917990.

The previous prime is 4769917981. The next prime is 4769918017. The reversal of 4769917991 is 1997199674.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4769917991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4769917981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2384958995 + 2384958996.

It is an arithmetic number, because the mean of its divisors is an integer number (2384958996).

Almost surely, 2^4769917991 is an apocalyptic number.

4769917991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4769917991 is an equidigital number, since it uses as much as digits as its factorization.

4769917991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 62.

The square root of 4769917991 is about 69064.5928895552. The cubic root of 4769917991 is about 1683.3340337306.

The spelling of 4769917991 in words is "four billion, seven hundred sixty-nine million, nine hundred seventeen thousand, nine hundred ninety-one".