3639266487 has 12 divisors (see below), whose sum is σ = 5257848024. Its totient is φ = 2425656240.

The previous prime is 3639266453. The next prime is 3639266489. The reversal of 3639266487 is 7846629363.

It is not a de Polignac number, because 3639266487 - 2²³ = 3630877879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639266489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3412 + ... + 85382.

It is an arithmetic number, because the mean of its divisors is an integer number (438154002).

Almost surely, 2^3639266487 is an apocalyptic number.

3639266487 is a deficient number, since it is larger than the sum of its proper divisors (1618581537).

3639266487 is a wasteful number, since it uses less digits than its factorization.

3639266487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86910 (or 86907 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The square root of 3639266487 is about 60326.3332799201. Note that the first 3 decimals coincide. The cubic root of 3639266487 is about 1538.1710010292.

The spelling of 3639266487 in words is "three billion, six hundred thirty-nine million, two hundred sixty-six thousand, four hundred eighty-seven".