5271416781 has 8 divisors (see below), whose sum is σ = 7199984064. Its totient is φ = 3428563680.

The previous prime is 5271416779. The next prime is 5271416803. The reversal of 5271416781 is 1876141725.

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

It is not a de Polignac number, because 5271416781 - 2¹ = 5271416779 is a prime.

It is a super-2 number, since 2×5271416781² = 55575669758016803922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271416281) 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, 21428401 + ... + 21428646.

It is an arithmetic number, because the mean of its divisors is an integer number (899998008).

Almost surely, 2^5271416781 is an apocalyptic number.

It is an amenable number.

5271416781 is a deficient number, since it is larger than the sum of its proper divisors (1928567283).

5271416781 is a wasteful number, since it uses less digits than its factorization.

5271416781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42857091.

The product of its digits is 94080, while the sum is 42.

The square root of 5271416781 is about 72604.5231442229. The cubic root of 5271416781 is about 1740.3734589451.

The spelling of 5271416781 in words is "five billion, two hundred seventy-one million, four hundred sixteen thousand, seven hundred eighty-one".