2749201892 has 18 divisors (see below), whose sum is σ = 4971313494. Its totient is φ = 1330257120.

The previous prime is 2749201877. The next prime is 2749201919. The reversal of 2749201892 is 2981029472.

It can be written as a sum of positive squares in only one way, i.e., 2386908736 + 362293156 = 48856^2 + 19034^2 .

It is a super-2 number, since 2×2749201892² = 15116222085952759328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353753 + ... + 361440.

It is an arithmetic number, because the mean of its divisors is an integer number (276184083).

Almost surely, 2^2749201892 is an apocalyptic number.

It is an amenable number.

2749201892 is a deficient number, since it is larger than the sum of its proper divisors (2222111602).

2749201892 is a wasteful number, since it uses less digits than its factorization.

2749201892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715259 (or 715226 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2749201892 is about 52432.8321951046. The cubic root of 2749201892 is about 1400.8841170620.

The spelling of 2749201892 in words is "two billion, seven hundred forty-nine million, two hundred one thousand, eight hundred ninety-two".