44545465663 has 4 divisors (see below), whose sum is σ = 44551984048. Its totient is φ = 44538947280.

The previous prime is 44545465633. The next prime is 44545465669. The reversal of 44545465663 is 36656454544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44545465663 - 2¹⁷ = 44545334591 is a prime.

It is a super-2 number, since 2×44545465663² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44545465663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44545465669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248931 + ... + 3262612.

It is an arithmetic number, because the mean of its divisors is an integer number (11137996012).

Almost surely, 2^44545465663 is an apocalyptic number.

44545465663 is a deficient number, since it is larger than the sum of its proper divisors (6518385).

44545465663 is an equidigital number, since it uses as much as digits as its factorization.

44545465663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518384.

The product of its digits is 20736000, while the sum is 52.

The spelling of 44545465663 in words is "forty-four billion, five hundred forty-five million, four hundred sixty-five thousand, six hundred sixty-three".