2745536642 has 16 divisors (see below), whose sum is σ = 4161851712. Its totient is φ = 1358328720.

The previous prime is 2745536623. The next prime is 2745536663. The reversal of 2745536642 is 2466355472.

It is a junction number, because it is equal to n+sod(n) for n = 2745536593 and 2745536602.

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, 54203 + ... + 91809.

It is an arithmetic number, because the mean of its divisors is an integer number (260115732).

Almost surely, 2^2745536642 is an apocalyptic number.

2745536642 is a deficient number, since it is larger than the sum of its proper divisors (1416315070).

2745536642 is a wasteful number, since it uses less digits than its factorization.

2745536642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37993.

The product of its digits is 1209600, while the sum is 44.

The square root of 2745536642 is about 52397.8686780293. The cubic root of 2745536642 is about 1400.2612849063.

The spelling of 2745536642 in words is "two billion, seven hundred forty-five million, five hundred thirty-six thousand, six hundred forty-two".