2764821601 has 2 divisors, whose sum is σ = 2764821602. Its totient is φ = 2764821600.

The previous prime is 2764821581. The next prime is 2764821607. The reversal of 2764821601 is 1061284672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2691119376 + 73702225 = 51876^2 + 8585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2764821601 - 2⁷ = 2764821473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2764821607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382410800 + 1382410801.

It is an arithmetic number, because the mean of its divisors is an integer number (1382410801).

Almost surely, 2^2764821601 is an apocalyptic number.

It is an amenable number.

2764821601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2764821601 is an equidigital number, since it uses as much as digits as its factorization.

2764821601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2764821601 is about 52581.5709255629. The cubic root of 2764821601 is about 1403.5321695240.

The spelling of 2764821601 in words is "two billion, seven hundred sixty-four million, eight hundred twenty-one thousand, six hundred one".