3889444463 has 6 divisors (see below), whose sum is σ = 4065903744. Its totient is φ = 3720337676.

The previous prime is 3889444421. The next prime is 3889444487. The reversal of 3889444463 is 3644449883.

It is not a de Polignac number, because 3889444463 - 2¹² = 3889440367 is a prime.

It is a super-2 number, since 2×3889444463² = 30255556461522716738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889441463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3675695 + ... + 3676752.

It is an arithmetic number, because the mean of its divisors is an integer number (677650624).

Almost surely, 2^3889444463 is an apocalyptic number.

3889444463 is a deficient number, since it is larger than the sum of its proper divisors (176459281).

3889444463 is an equidigital number, since it uses as much as digits as its factorization.

3889444463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352493 (or 7352470 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 53.

The square root of 3889444463 is about 62365.4107899563. The cubic root of 3889444463 is about 1572.6395430722.

The spelling of 3889444463 in words is "three billion, eight hundred eighty-nine million, four hundred forty-four thousand, four hundred sixty-three".