3638448363 has 16 divisors (see below), whose sum is σ = 5421370752. Its totient is φ = 2151336000.

The previous prime is 3638448353. The next prime is 3638448367.

3638448363 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3638448363 - 2¹³ = 3638440171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3638448367) 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, 1343233 + ... + 1345938.

It is an arithmetic number, because the mean of its divisors is an integer number (338835672).

Almost surely, 2^3638448363 is an apocalyptic number.

3638448363 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3638448363 is a deficient number, since it is larger than the sum of its proper divisors (1782922389).

3638448363 is a wasteful number, since it uses less digits than its factorization.

3638448363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689226.

The product of its digits is 2985984, while the sum is 48.

The square root of 3638448363 is about 60319.5520789072. The cubic root of 3638448363 is about 1538.0557297305.

The spelling of 3638448363 in words is "three billion, six hundred thirty-eight million, four hundred forty-eight thousand, three hundred sixty-three".