8051685481 has 16 divisors (see below), whose sum is σ = 9232441344. Its totient is φ = 6878600784.

The previous prime is 8051685437. The next prime is 8051685511. The reversal of 8051685481 is 1845861508.

It is a cyclic number.

It is not a de Polignac number, because 8051685481 - 2⁹ = 8051684969 is a prime.

It is a super-2 number, since 2×8051685481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8051685281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5009580 + ... + 5011186.

It is an arithmetic number, because the mean of its divisors is an integer number (577027584).

Almost surely, 2^8051685481 is an apocalyptic number.

It is an amenable number.

8051685481 is a deficient number, since it is larger than the sum of its proper divisors (1180755863).

8051685481 is a wasteful number, since it uses less digits than its factorization.

8051685481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 307200, while the sum is 46.

The square root of 8051685481 is about 89731.1845514145. The cubic root of 8051685481 is about 2004.2978809107.

The spelling of 8051685481 in words is "eight billion, fifty-one million, six hundred eighty-five thousand, four hundred eighty-one".