2797040581 has 8 divisors (see below), whose sum is σ = 2804356800. Its totient is φ = 2789735520.

The previous prime is 2797040573. The next prime is 2797040591. The reversal of 2797040581 is 1850407972.

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 2797040581 - 2³ = 2797040573 is a prime.

It is a super-2 number, since 2×2797040581² = 15646872023521635122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797040501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718761 + ... + 722641.

It is an arithmetic number, because the mean of its divisors is an integer number (350544600).

Almost surely, 2^2797040581 is an apocalyptic number.

It is an amenable number.

2797040581 is a deficient number, since it is larger than the sum of its proper divisors (7316219).

2797040581 is an equidigital number, since it uses as much as digits as its factorization.

2797040581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 2797040581 is about 52887.0549473120. The cubic root of 2797040581 is about 1408.9630020828.

The spelling of 2797040581 in words is "two billion, seven hundred ninety-seven million, forty thousand, five hundred eighty-one".