2773646497 has 2 divisors, whose sum is σ = 2773646498. Its totient is φ = 2773646496.

The previous prime is 2773646459. The next prime is 2773646527. The reversal of 2773646497 is 7946463772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2055352896 + 718293601 = 45336^2 + 26801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773646497 - 2¹⁵ = 2773613729 is a prime.

It is a super-2 number, since 2×2773646497² = 15386229780640742018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2773646437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386823248 + 1386823249.

It is an arithmetic number, because the mean of its divisors is an integer number (1386823249).

Almost surely, 2^2773646497 is an apocalyptic number.

It is an amenable number.

2773646497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2773646497 is an equidigital number, since it uses as much as digits as its factorization.

2773646497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 55.

The square root of 2773646497 is about 52665.4203154214. The cubic root of 2773646497 is about 1405.0238716325.

The spelling of 2773646497 in words is "two billion, seven hundred seventy-three million, six hundred forty-six thousand, four hundred ninety-seven".