2446056581 has 4 divisors (see below), whose sum is σ = 2524961664. Its totient is φ = 2367151500.

The previous prime is 2446056553. The next prime is 2446056619. The reversal of 2446056581 is 1856506442.

2446056581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2446056581 is a prime.

It is a super-2 number, since 2×2446056581² = 11966385594906819122, 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 (2446056511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39452495 + ... + 39452556.

It is an arithmetic number, because the mean of its divisors is an integer number (631240416).

Almost surely, 2^2446056581 is an apocalyptic number.

It is an amenable number.

2446056581 is a deficient number, since it is larger than the sum of its proper divisors (78905083).

2446056581 is an equidigital number, since it uses as much as digits as its factorization.

2446056581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78905082.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 2446056581 is about 49457.6240937633. The cubic root of 2446056581 is about 1347.3760795581.

The spelling of 2446056581 in words is "two billion, four hundred forty-six million, fifty-six thousand, five hundred eighty-one".