2971790749 has 2 divisors, whose sum is σ = 2971790750. Its totient is φ = 2971790748.

The previous prime is 2971790687. The next prime is 2971790761. The reversal of 2971790749 is 9470971792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2968615225 + 3175524 = 54485^2 + 1782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2971790749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2971790749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2971790149) 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, 1485895374 + 1485895375.

It is an arithmetic number, because the mean of its divisors is an integer number (1485895375).

Almost surely, 2^2971790749 is an apocalyptic number.

It is an amenable number.

2971790749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2971790749 is an equidigital number, since it uses as much as digits as its factorization.

2971790749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000376, while the sum is 55.

The square root of 2971790749 is about 54514.1334793097. The cubic root of 2971790749 is about 1437.7147957190.

The spelling of 2971790749 in words is "two billion, nine hundred seventy-one million, seven hundred ninety thousand, seven hundred forty-nine".