5147846381 has 8 divisors (see below), whose sum is σ = 5553504504. Its totient is φ = 4753615360.

The previous prime is 5147846317. The next prime is 5147846383. The reversal of 5147846381 is 1836487415.

It can be written as a sum of positive squares in 4 ways, for example, as 1047493225 + 4100353156 = 32365^2 + 64034^2 .

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 5147846381 - 2⁶ = 5147846317 is a prime.

It is a super-2 number, since 2×5147846381² = 53000644724749594322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147846383) 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, 2855840 + ... + 2857641.

It is an arithmetic number, because the mean of its divisors is an integer number (694188063).

Almost surely, 2^5147846381 is an apocalyptic number.

It is an amenable number.

5147846381 is a deficient number, since it is larger than the sum of its proper divisors (405658123).

5147846381 is a wasteful number, since it uses less digits than its factorization.

5147846381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713551.

The product of its digits is 645120, while the sum is 47.

The square root of 5147846381 is about 71748.4939284442. The cubic root of 5147846381 is about 1726.6667506737. Note that the first 3 decimals are identical.

The spelling of 5147846381 in words is "five billion, one hundred forty-seven million, eight hundred forty-six thousand, three hundred eighty-one".