6381064749 has 8 divisors (see below), whose sum is σ = 8508795552. Its totient is φ = 4253688560.

The previous prime is 6381064741. The next prime is 6381064751. The reversal of 6381064749 is 9474601836.

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

It is a cyclic number.

It is not a de Polignac number, because 6381064749 - 2³ = 6381064741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6381064698 and 6381064707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381064741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43359 + ... + 121004.

It is an arithmetic number, because the mean of its divisors is an integer number (1063599444).

Almost surely, 2^6381064749 is an apocalyptic number.

It is an amenable number.

6381064749 is a deficient number, since it is larger than the sum of its proper divisors (2127730803).

6381064749 is a wasteful number, since it uses less digits than its factorization.

6381064749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177307.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 6381064749 is about 79881.5670164275. The cubic root of 6381064749 is about 1854.8026903182.

The spelling of 6381064749 in words is "six billion, three hundred eighty-one million, sixty-four thousand, seven hundred forty-nine".