2663629487 has 4 divisors (see below), whose sum is σ = 2683072176. Its totient is φ = 2644186800.

The previous prime is 2663629481. The next prime is 2663629499. The reversal of 2663629487 is 7849263662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2663629487 - 2¹⁰ = 2663628463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663629481) 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, 9721139 + ... + 9721412.

It is an arithmetic number, because the mean of its divisors is an integer number (670768044).

Almost surely, 2^2663629487 is an apocalyptic number.

2663629487 is a deficient number, since it is larger than the sum of its proper divisors (19442689).

2663629487 is a wasteful number, since it uses less digits than its factorization.

2663629487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442688.

The product of its digits is 5225472, while the sum is 53.

The square root of 2663629487 is about 51610.3622056656. The cubic root of 2663629487 is about 1386.1958830123.

The spelling of 2663629487 in words is "two billion, six hundred sixty-three million, six hundred twenty-nine thousand, four hundred eighty-seven".