2750561738 has 16 divisors (see below), whose sum is σ = 4277235456. Its totient is φ = 1325197920.

The previous prime is 2750561701. The next prime is 2750561747. The reversal of 2750561738 is 8371650572.

It is a happy number.

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, 80756 + ... + 109647.

It is an arithmetic number, because the mean of its divisors is an integer number (267327216).

Almost surely, 2^2750561738 is an apocalyptic number.

2750561738 is a deficient number, since it is larger than the sum of its proper divisors (1526673718).

2750561738 is a wasteful number, since it uses less digits than its factorization.

2750561738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190669.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 2750561738 is about 52445.7980967017. The cubic root of 2750561738 is about 1401.1150534979.

The spelling of 2750561738 in words is "two billion, seven hundred fifty million, five hundred sixty-one thousand, seven hundred thirty-eight".