4520723827081 has 16 divisors (see below), whose sum is σ = 5637889548288. Its totient is φ = 3521602918800.

The previous prime is 4520723827069. The next prime is 4520723827111. The reversal of 4520723827081 is 1807283270254.

It is a cyclic number.

It is not a de Polignac number, because 4520723827081 - 2⁷ = 4520723826953 is a prime.

It is a super-2 number, since 2×4520723827081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520723827181) 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, 8395735 + ... + 8917948.

It is an arithmetic number, because the mean of its divisors is an integer number (352368096768).

Almost surely, 2^{4520723827081} is an apocalyptic number.

It is an amenable number.

4520723827081 is a deficient number, since it is larger than the sum of its proper divisors (1117165721207).

4520723827081 is a wasteful number, since it uses less digits than its factorization.

4520723827081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317092.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 4520723827081 in words is "four trillion, five hundred twenty billion, seven hundred twenty-three million, eight hundred twenty-seven thousand, eighty-one".