2630917689 has 4 divisors (see below), whose sum is σ = 3507890256. Its totient is φ = 1753945124.

The previous prime is 2630917687. The next prime is 2630917691. The reversal of 2630917689 is 9867190362.

2630917689 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 an interprime number because it is at equal distance from previous prime (2630917687) and next prime (2630917691).

It is a cyclic number.

It is not a de Polignac number, because 2630917689 - 2¹ = 2630917687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2630917687) 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, 438486279 + ... + 438486284.

It is an arithmetic number, because the mean of its divisors is an integer number (876972564).

Almost surely, 2^2630917689 is an apocalyptic number.

It is an amenable number.

2630917689 is a deficient number, since it is larger than the sum of its proper divisors (876972567).

2630917689 is an equidigital number, since it uses as much as digits as its factorization.

2630917689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876972566.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2630917689 is about 51292.4720499997. The cubic root of 2630917689 is about 1380.4979105421.

The spelling of 2630917689 in words is "two billion, six hundred thirty million, nine hundred seventeen thousand, six hundred eighty-nine".