6381988573 has 16 divisors (see below), whose sum is σ = 6577224192. Its totient is φ = 6190128000.

The previous prime is 6381988541. The next prime is 6381988621. The reversal of 6381988573 is 3758891836.

It is a cyclic number.

It is not a de Polignac number, because 6381988573 - 2⁵ = 6381988541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381980573) 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, 2388028 + ... + 2390698.

It is an arithmetic number, because the mean of its divisors is an integer number (411076512).

Almost surely, 2^6381988573 is an apocalyptic number.

It is an amenable number.

6381988573 is a deficient number, since it is larger than the sum of its proper divisors (195235619).

6381988573 is a wasteful number, since it uses less digits than its factorization.

6381988573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its digits is 8709120, while the sum is 58.

The square root of 6381988573 is about 79887.3492675780. The cubic root of 6381988573 is about 1854.8921962038.

The spelling of 6381988573 in words is "six billion, three hundred eighty-one million, nine hundred eighty-eight thousand, five hundred seventy-three".