2604723551 has 2 divisors, whose sum is σ = 2604723552. Its totient is φ = 2604723550.

The previous prime is 2604723497. The next prime is 2604723593. The reversal of 2604723551 is 1553274062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2604723551 - 2⁶ = 2604723487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2904723551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302361775 + 1302361776.

It is an arithmetic number, because the mean of its divisors is an integer number (1302361776).

Almost surely, 2^2604723551 is an apocalyptic number.

2604723551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604723551 is an equidigital number, since it uses as much as digits as its factorization.

2604723551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2604723551 is about 51036.4923461634. The cubic root of 2604723551 is about 1375.9010822660.

The spelling of 2604723551 in words is "two billion, six hundred four million, seven hundred twenty-three thousand, five hundred fifty-one".