2749155097 has 16 divisors (see below), whose sum is σ = 2979744768. Its totient is φ = 2521356480.

The previous prime is 2749155089. The next prime is 2749155121. The reversal of 2749155097 is 7905519472.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2749155097 - 2³ = 2749155089 is a prime.

It is a super-3 number, since 3×2749155097³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2749155097.

It is not an unprimeable number, because it can be changed into a prime (2749155197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507128 + ... + 1508950.

It is an arithmetic number, because the mean of its divisors is an integer number (186234048).

Almost surely, 2^2749155097 is an apocalyptic number.

It is an amenable number.

2749155097 is a deficient number, since it is larger than the sum of its proper divisors (230589671).

2749155097 is a wasteful number, since it uses less digits than its factorization.

2749155097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520.

The product of its (nonzero) digits is 793800, while the sum is 49.

The square root of 2749155097 is about 52432.3859556286. The cubic root of 2749155097 is about 1400.8761687256.

The spelling of 2749155097 in words is "two billion, seven hundred forty-nine million, one hundred fifty-five thousand, ninety-seven".