2749997450 has 48 divisors (see below), whose sum is σ = 5165669376. Its totient is φ = 1089158400.

The previous prime is 2749997443. The next prime is 2749997479. The reversal of 2749997450 is 547999472.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3121010 + ... + 3121890.

It is an arithmetic number, because the mean of its divisors is an integer number (107618112).

Almost surely, 2^2749997450 is an apocalyptic number.

2749997450 is a deficient number, since it is larger than the sum of its proper divisors (2415671926).

2749997450 is a wasteful number, since it uses less digits than its factorization.

2749997450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 56.

The square root of 2749997450 is about 52440.4180952059. The cubic root of 2749997450 is about 1401.0192322851.

The spelling of 2749997450 in words is "two billion, seven hundred forty-nine million, nine hundred ninety-seven thousand, four hundred fifty".