4791634157 has 2 divisors, whose sum is σ = 4791634158. Its totient is φ = 4791634156.

The previous prime is 4791634153. The next prime is 4791634193. The reversal of 4791634157 is 7514361974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4536561316 + 255072841 = 67354^2 + 15971^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791634157 - 2² = 4791634153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4791634151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395817078 + 2395817079.

It is an arithmetic number, because the mean of its divisors is an integer number (2395817079).

Almost surely, 2^4791634157 is an apocalyptic number.

It is an amenable number.

4791634157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791634157 is an equidigital number, since it uses as much as digits as its factorization.

4791634157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 4791634157 is about 69221.6307016817. The cubic root of 4791634157 is about 1685.8847571993.

The spelling of 4791634157 in words is "four billion, seven hundred ninety-one million, six hundred thirty-four thousand, one hundred fifty-seven".