5631888398 has 8 divisors (see below), whose sum is σ = 8448729240. Its totient is φ = 2815645320.

The previous prime is 5631888377. The next prime is 5631888413. The reversal of 5631888398 is 8938881365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 125093 + ... + 164048.

It is an arithmetic number, because the mean of its divisors is an integer number (1056091155).

Almost surely, 2^5631888398 is an apocalyptic number.

5631888398 is a deficient number, since it is larger than the sum of its proper divisors (2816840842).

5631888398 is a wasteful number, since it uses less digits than its factorization.

5631888398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298882.

The product of its digits is 9953280, while the sum is 59.

The square root of 5631888398 is about 75045.9086026680. The cubic root of 5631888398 is about 1779.1723204542.

The spelling of 5631888398 in words is "five billion, six hundred thirty-one million, eight hundred eighty-eight thousand, three hundred ninety-eight".