2628794681497 has 2 divisors, whose sum is σ = 2628794681498. Its totient is φ = 2628794681496.

The previous prime is 2628794681347. The next prime is 2628794681501. The reversal of 2628794681497 is 7941864978262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2626153132681 + 2641548816 = 1620541^2 + 51396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628794681497 - 2²⁷ = 2628660463769 is a prime.

It is a super-2 number, since 2×2628794681497² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2628794681197) 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, 1314397340748 + 1314397340749.

It is an arithmetic number, because the mean of its divisors is an integer number (1314397340749).

Almost surely, 2^{2628794681497} is an apocalyptic number.

It is an amenable number.

2628794681497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628794681497 is an equidigital number, since it uses as much as digits as its factorization.

2628794681497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 585252864, while the sum is 73.

The spelling of 2628794681497 in words is "two trillion, six hundred twenty-eight billion, seven hundred ninety-four million, six hundred eighty-one thousand, four hundred ninety-seven".