2604756851 has 2 divisors, whose sum is σ = 2604756852. Its totient is φ = 2604756850.

The previous prime is 2604756841. The next prime is 2604756857. The reversal of 2604756851 is 1586574062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2604756851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2604756857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302378425 + 1302378426.

It is an arithmetic number, because the mean of its divisors is an integer number (1302378426).

Almost surely, 2^2604756851 is an apocalyptic number.

2604756851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604756851 is an equidigital number, since it uses as much as digits as its factorization.

2604756851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2604756851 is about 51036.8185822745. The cubic root of 2604756851 is about 1375.9069456280.

The spelling of 2604756851 in words is "two billion, six hundred four million, seven hundred fifty-six thousand, eight hundred fifty-one".