2774401697 has 2 divisors, whose sum is σ = 2774401698. Its totient is φ = 2774401696.

The previous prime is 2774401661. The next prime is 2774401723. The reversal of 2774401697 is 7961044772.

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., 2233885696 + 540516001 = 47264^2 + 23249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2774401697 - 2¹⁶ = 2774336161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2774401607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387200848 + 1387200849.

It is an arithmetic number, because the mean of its divisors is an integer number (1387200849).

Almost surely, 2^2774401697 is an apocalyptic number.

It is an amenable number.

2774401697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774401697 is an equidigital number, since it uses as much as digits as its factorization.

2774401697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 2774401697 is about 52672.5896173712. The cubic root of 2774401697 is about 1405.1513785975.

The spelling of 2774401697 in words is "two billion, seven hundred seventy-four million, four hundred one thousand, six hundred ninety-seven".