2604663377 has 2 divisors, whose sum is σ = 2604663378. Its totient is φ = 2604663376.

The previous prime is 2604663367. The next prime is 2604663403. The reversal of 2604663377 is 7733664062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1496838721 + 1107824656 = 38689^2 + 33284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604663377 - 2¹⁶ = 2604597841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2604663337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302331688 + 1302331689.

It is an arithmetic number, because the mean of its divisors is an integer number (1302331689).

Almost surely, 2^2604663377 is an apocalyptic number.

It is an amenable number.

2604663377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604663377 is an equidigital number, since it uses as much as digits as its factorization.

2604663377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 44.

The square root of 2604663377 is about 51035.9028234046. The cubic root of 2604663377 is about 1375.8904868858.

The spelling of 2604663377 in words is "two billion, six hundred four million, six hundred sixty-three thousand, three hundred seventy-seven".