6251473818 has 48 divisors (see below), whose sum is σ = 14409734976. Its totient is φ = 1951931520.

The previous prime is 6251473783. The next prime is 6251473819. The reversal of 6251473818 is 8183741526.

6251473818 is a `hidden beast` number, since 62 + 514 + 73 + 8 + 1 + 8 = 666.

It is a super-3 number, since 3×6251473818³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6251473819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16155 + ... + 112977.

It is an arithmetic number, because the mean of its divisors is an integer number (300202812).

Almost surely, 2^6251473818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6251473818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7204867488).

6251473818 is an abundant number, since it is smaller than the sum of its proper divisors (8158261158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6251473818 is a wasteful number, since it uses less digits than its factorization.

6251473818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97059 (or 97056 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 6251473818 is about 79066.2621982347. The cubic root of 6251473818 is about 1842.1605270590.

The spelling of 6251473818 in words is "six billion, two hundred fifty-one million, four hundred seventy-three thousand, eight hundred eighteen".