2604663542 has 16 divisors (see below), whose sum is σ = 4266797472. Its totient is φ = 1185219840.

The previous prime is 2604663541. The next prime is 2604663557. The reversal of 2604663542 is 2453664062.

It is a junction number, because it is equal to n+sod(n) for n = 2604663496 and 2604663505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604663541) 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 in 7 ways as a sum of consecutive naturals, for example, 703643 + ... + 707334.

It is an arithmetic number, because the mean of its divisors is an integer number (266674842).

Almost surely, 2^2604663542 is an apocalyptic number.

2604663542 is a deficient number, since it is larger than the sum of its proper divisors (1662133930).

2604663542 is a wasteful number, since it uses less digits than its factorization.

2604663542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411063.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2604663542 is about 51035.9044399137. The cubic root of 2604663542 is about 1375.8905159391.

The spelling of 2604663542 in words is "two billion, six hundred four million, six hundred sixty-three thousand, five hundred forty-two".