2745639348 has 48 divisors (see below), whose sum is σ = 6592150656. Its totient is φ = 889033600.

The previous prime is 2745639317. The next prime is 2745639359. The reversal of 2745639348 is 8439365472.

It is a self number, because there is not a number n which added to its sum of digits gives 2745639348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42865 + ... + 85607.

It is an arithmetic number, because the mean of its divisors is an integer number (137336472).

Almost surely, 2^2745639348 is an apocalyptic number.

It is an amenable number.

2745639348 is an abundant number, since it is smaller than the sum of its proper divisors (3846511308).

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

2745639348 is a wasteful number, since it uses less digits than its factorization.

2745639348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42904 (or 42902 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 2745639348 is about 52398.8487278108. The cubic root of 2745639348 is about 1400.2787451774.

The spelling of 2745639348 in words is "two billion, seven hundred forty-five million, six hundred thirty-nine thousand, three hundred forty-eight".