2645208546 has 16 divisors (see below), whose sum is σ = 5294480544. Its totient is φ = 881058944.

The previous prime is 2645208493. The next prime is 2645208563. The reversal of 2645208546 is 6458025462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2645208498 and 2645208507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160815 + ... + 176498.

It is an arithmetic number, because the mean of its divisors is an integer number (330905034).

Almost surely, 2^2645208546 is an apocalyptic number.

2645208546 is an abundant number, since it is smaller than the sum of its proper divisors (2649271998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645208546 is a wasteful number, since it uses less digits than its factorization.

2645208546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338625.

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 2645208546 is about 51431.5909339775. The cubic root of 2645208546 is about 1382.9929695479.

The spelling of 2645208546 in words is "two billion, six hundred forty-five million, two hundred eight thousand, five hundred forty-six".