4791239432117 has 2 divisors, whose sum is σ = 4791239432118. Its totient is φ = 4791239432116.

The previous prime is 4791239432071. The next prime is 4791239432143. The reversal of 4791239432117 is 7112349321974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4543863509956 + 247375922161 = 2131634^2 + 497369^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791239432117 - 2¹⁰ = 4791239431093 is a prime.

It is a super-2 number, since 2×4791239432117² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4791239431117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395619716058 + 2395619716059.

It is an arithmetic number, because the mean of its divisors is an integer number (2395619716059).

Almost surely, 2^{4791239432117} is an apocalyptic number.

It is an amenable number.

4791239432117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791239432117 is an equidigital number, since it uses as much as digits as its factorization.

4791239432117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The spelling of 4791239432117 in words is "four trillion, seven hundred ninety-one billion, two hundred thirty-nine million, four hundred thirty-two thousand, one hundred seventeen".