5643631019 has 16 divisors (see below), whose sum is σ = 6264579552. Its totient is φ = 5051144448.

The previous prime is 5643630973. The next prime is 5643631027. The reversal of 5643631019 is 9101363465.

It is a cyclic number.

It is not a de Polignac number, because 5643631019 - 2²⁸ = 5375195563 is a prime.

It is a super-2 number, since 2×5643631019² = 63701142157237956722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5643631069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39737 + ... + 113429.

It is an arithmetic number, because the mean of its divisors is an integer number (391536222).

Almost surely, 2^5643631019 is an apocalyptic number.

5643631019 is a deficient number, since it is larger than the sum of its proper divisors (620948533).

5643631019 is a wasteful number, since it uses less digits than its factorization.

5643631019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73886.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 5643631019 is about 75124.1041144585. The cubic root of 5643631019 is about 1780.4080008848.

The spelling of 5643631019 in words is "five billion, six hundred forty-three million, six hundred thirty-one thousand, nineteen".