2651056081 has 8 divisors (see below), whose sum is σ = 2713544064. Its totient is φ = 2588606160.

The previous prime is 2651056069. The next prime is 2651056147. The reversal of 2651056081 is 1806501562.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2651056081 - 2⁹ = 2651055569 is a prime.

It is a super-2 number, since 2×2651056081² = 14056196689214157122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651053081) 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 7 ways as a sum of consecutive naturals, for example, 171336 + ... + 186166.

It is an arithmetic number, because the mean of its divisors is an integer number (339193008).

Almost surely, 2^2651056081 is an apocalyptic number.

It is an amenable number.

2651056081 is a deficient number, since it is larger than the sum of its proper divisors (62487983).

2651056081 is a wasteful number, since it uses less digits than its factorization.

2651056081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19031.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2651056081 is about 51488.4072486225. The cubic root of 2651056081 is about 1384.0113073978.

The spelling of 2651056081 in words is "two billion, six hundred fifty-one million, fifty-six thousand, eighty-one".