2791538147 has 2 divisors, whose sum is σ = 2791538148. Its totient is φ = 2791538146.

The previous prime is 2791538131. The next prime is 2791538161. The reversal of 2791538147 is 7418351972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2791538147 - 2⁴ = 2791538131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2791538107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395769073 + 1395769074.

It is an arithmetic number, because the mean of its divisors is an integer number (1395769074).

Almost surely, 2^2791538147 is an apocalyptic number.

2791538147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791538147 is an equidigital number, since it uses as much as digits as its factorization.

2791538147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 2791538147 is about 52835.0087252761. The cubic root of 2791538147 is about 1408.0384754775.

The spelling of 2791538147 in words is "two billion, seven hundred ninety-one million, five hundred thirty-eight thousand, one hundred forty-seven".