2663410641 has 4 divisors (see below), whose sum is σ = 3551214192. Its totient is φ = 1775607092.

The previous prime is 2663410639. The next prime is 2663410667. The reversal of 2663410641 is 1460143662.

2663410641 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 2663410641 - 2¹ = 2663410639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2663410681) 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, 443901771 + ... + 443901776.

It is an arithmetic number, because the mean of its divisors is an integer number (887803548).

Almost surely, 2^2663410641 is an apocalyptic number.

It is an amenable number.

2663410641 is a deficient number, since it is larger than the sum of its proper divisors (887803551).

2663410641 is an equidigital number, since it uses as much as digits as its factorization.

2663410641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887803550.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2663410641 is about 51608.2419871090. The cubic root of 2663410641 is about 1386.1579183061.

The spelling of 2663410641 in words is "two billion, six hundred sixty-three million, four hundred ten thousand, six hundred forty-one".