45819394505 has 4 divisors (see below), whose sum is σ = 54983273412. Its totient is φ = 36655515600.

The previous prime is 45819394499. The next prime is 45819394507. The reversal of 45819394505 is 50549391854.

45819394505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23461967929 + 22357426576 = 153173^2 + 149524^2 .

It is not a de Polignac number, because 45819394505 - 2⁶ = 45819394441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45819394507) 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, 4581939446 + ... + 4581939455.

It is an arithmetic number, because the mean of its divisors is an integer number (13745818353).

Almost surely, 2^45819394505 is an apocalyptic number.

It is an amenable number.

45819394505 is a deficient number, since it is larger than the sum of its proper divisors (9163878907).

45819394505 is an equidigital number, since it uses as much as digits as its factorization.

45819394505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163878906.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 45819394505 in words is "forty-five billion, eight hundred nineteen million, three hundred ninety-four thousand, five hundred five".