2864054561 has 4 divisors (see below), whose sum is σ = 2906801712. Its totient is φ = 2821307412.

The previous prime is 2864054539. The next prime is 2864054563. The reversal of 2864054561 is 1654504682.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1654504682 = 2 ⋅827252341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2864054561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2864054563) 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, 21373475 + ... + 21373608.

It is an arithmetic number, because the mean of its divisors is an integer number (726700428).

Almost surely, 2^2864054561 is an apocalyptic number.

It is an amenable number.

2864054561 is a deficient number, since it is larger than the sum of its proper divisors (42747151).

2864054561 is an equidigital number, since it uses as much as digits as its factorization.

2864054561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42747150.

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

The square root of 2864054561 is about 53516.8623986870. The cubic root of 2864054561 is about 1420.1267097471.

The spelling of 2864054561 in words is "two billion, eight hundred sixty-four million, fifty-four thousand, five hundred sixty-one".