6244494867 has 24 divisors (see below), whose sum is σ = 9728518800. Its totient is φ = 3836887488.

The previous prime is 6244494863. The next prime is 6244494887. The reversal of 6244494867 is 7684944426.

6244494867 is a `hidden beast` number, since 624 + 4 + 4 + 9 + 4 + 8 + 6 + 7 = 666.

It is not a de Polignac number, because 6244494867 - 2² = 6244494863 is a prime.

It is a super-2 number, since 2×6244494867² = 77987432287978695378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6244494863) 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 23 ways as a sum of consecutive naturals, for example, 36609 + ... + 117597.

It is an arithmetic number, because the mean of its divisors is an integer number (405354950).

Almost surely, 2^6244494867 is an apocalyptic number.

6244494867 is a deficient number, since it is larger than the sum of its proper divisors (3484023933).

6244494867 is a wasteful number, since it uses less digits than its factorization.

6244494867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81667 (or 81664 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 6244494867 is about 79022.1163156239. The cubic root of 6244494867 is about 1841.4747615612.

The spelling of 6244494867 in words is "six billion, two hundred forty-four million, four hundred ninety-four thousand, eight hundred sixty-seven".