2912621797 has 2 divisors, whose sum is σ = 2912621798. Its totient is φ = 2912621796.

The previous prime is 2912621741. The next prime is 2912621801. The reversal of 2912621797 is 7971262192.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2368379556 + 544242241 = 48666^2 + 23329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2912621797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2912621497) 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, 1456310898 + 1456310899.

It is an arithmetic number, because the mean of its divisors is an integer number (1456310899).

Almost surely, 2^2912621797 is an apocalyptic number.

It is an amenable number.

2912621797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2912621797 is an equidigital number, since it uses as much as digits as its factorization.

2912621797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 46.

The square root of 2912621797 is about 53968.7112779247. The cubic root of 2912621797 is about 1428.1090295714.

The spelling of 2912621797 in words is "two billion, nine hundred twelve million, six hundred twenty-one thousand, seven hundred ninety-seven".