4743199991 has 2 divisors, whose sum is σ = 4743199992. Its totient is φ = 4743199990.

The previous prime is 4743199987. The next prime is 4743200023. The reversal of 4743199991 is 1999913474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4743199991 - 2² = 4743199987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4743199891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371599995 + 2371599996.

It is an arithmetic number, because the mean of its divisors is an integer number (2371599996).

Almost surely, 2^4743199991 is an apocalyptic number.

4743199991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4743199991 is an equidigital number, since it uses as much as digits as its factorization.

4743199991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 56.

The square root of 4743199991 is about 68870.8936416539. The cubic root of 4743199991 is about 1680.1851637134.

The spelling of 4743199991 in words is "four billion, seven hundred forty-three million, one hundred ninety-nine thousand, nine hundred ninety-one".