2751663081 has 8 divisors (see below), whose sum is σ = 3746945664. Its totient is φ = 1795411280.

The previous prime is 2751663073. The next prime is 2751663097. The reversal of 2751663081 is 1803661572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2751663081 - 2³ = 2751663073 is a prime.

It is a super-2 number, since 2×2751663081² = 15143299422676825122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2751663281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9757530 + ... + 9757811.

It is an arithmetic number, because the mean of its divisors is an integer number (468368208).

Almost surely, 2^2751663081 is an apocalyptic number.

It is an amenable number.

2751663081 is a deficient number, since it is larger than the sum of its proper divisors (995282583).

2751663081 is a wasteful number, since it uses less digits than its factorization.

2751663081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19515391.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2751663081 is about 52456.2968670111. The cubic root of 2751663081 is about 1401.3020337698.

The spelling of 2751663081 in words is "two billion, seven hundred fifty-one million, six hundred sixty-three thousand, eighty-one".