4247947162368 has 1080 divisors, whose sum is σ = 15973502651568. Its totient is φ = 1112900124672.

The previous prime is 4247947162343. The next prime is 4247947162369. The reversal of 4247947162368 is 8632617497424.

4247947162368 is a `hidden beast` number, since 4 + 2 + 4 + 79 + 47 + 162 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4247947162369) by changing a digit.

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 119 ways as a sum of consecutive naturals, for example, 2153038630 + ... + 2153040602.

Almost surely, 2^{4247947162368} is an apocalyptic number.

4247947162368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4247947162368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7986751325784).

4247947162368 is an abundant number, since it is smaller than the sum of its proper divisors (11725555489200).

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

4247947162368 is a wasteful number, since it uses less digits than its factorization.

4247947162368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2161 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 4247947162368 in words is "four trillion, two hundred forty-seven billion, nine hundred forty-seven million, one hundred sixty-two thousand, three hundred sixty-eight".