2880640643 has 4 divisors (see below), whose sum is σ = 2885121288. Its totient is φ = 2876160000.

The previous prime is 2880640601. The next prime is 2880640657. The reversal of 2880640643 is 3460460882.

2880640643 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 an emirpimes, since its reverse is a distinct semiprime: 3460460882 = 2 ⋅1730230441.

It is a cyclic number.

It is not a de Polignac number, because 2880640643 - 2¹² = 2880636547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2880640643.

It is not an unprimeable number, because it can be changed into a prime (2880640043) 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, 2239358 + ... + 2240643.

It is an arithmetic number, because the mean of its divisors is an integer number (721280322).

Almost surely, 2^2880640643 is an apocalyptic number.

2880640643 is a deficient number, since it is larger than the sum of its proper divisors (4480645).

2880640643 is an equidigital number, since it uses as much as digits as its factorization.

2880640643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480644.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 2880640643 is about 53671.5999668353. The cubic root of 2880640643 is about 1422.8628092894.

The spelling of 2880640643 in words is "two billion, eight hundred eighty million, six hundred forty thousand, six hundred forty-three".