45219546681 has 16 divisors (see below), whose sum is σ = 62921417856. Its totient is φ = 28832322816.

The previous prime is 45219546667. The next prime is 45219546683. The reversal of 45219546681 is 18664591254.

It is not a de Polignac number, because 45219546681 - 2¹⁴ = 45219530297 is a prime.

It is a super-2 number, since 2×45219546681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45219546683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655281 + ... + 720993.

It is an arithmetic number, because the mean of its divisors is an integer number (3932588616).

Almost surely, 2^45219546681 is an apocalyptic number.

It is an amenable number.

45219546681 is a deficient number, since it is larger than the sum of its proper divisors (17701871175).

45219546681 is a wasteful number, since it uses less digits than its factorization.

45219546681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75712.

The product of its digits is 2073600, while the sum is 51.

The spelling of 45219546681 in words is "forty-five billion, two hundred nineteen million, five hundred forty-six thousand, six hundred eighty-one".