3638479551 has 16 divisors (see below), whose sum is σ = 5545672704. Its totient is φ = 2078635104.

The previous prime is 3638479547. The next prime is 3638479571. The reversal of 3638479551 is 1559748363.

3638479551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3638479551 - 2² = 3638479547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3638479494 and 3638479503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638479511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81090 + ... + 117696.

It is an arithmetic number, because the mean of its divisors is an integer number (346604544).

Almost surely, 2^3638479551 is an apocalyptic number.

3638479551 is a deficient number, since it is larger than the sum of its proper divisors (1907193153).

3638479551 is a wasteful number, since it uses less digits than its factorization.

3638479551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41350.

The product of its digits is 2721600, while the sum is 51.

The square root of 3638479551 is about 60319.8106014931. The cubic root of 3638479551 is about 1538.0601243460.

The spelling of 3638479551 in words is "three billion, six hundred thirty-eight million, four hundred seventy-nine thousand, five hundred fifty-one".