45624433409 has 4 divisors (see below), whose sum is σ = 45624883716. Its totient is φ = 45623983104.

The previous prime is 45624433403. The next prime is 45624433441. The reversal of 45624433409 is 90433442654.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35684343409 + 9940090000 = 188903^2 + 99700^2 .

It is a cyclic number.

It is not a de Polignac number, because 45624433409 - 2¹² = 45624429313 is a prime.

It is a super-2 number, since 2×45624433409² (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 45624433409.

It is not an unprimeable number, because it can be changed into a prime (45624433403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5777 + ... + 302129.

It is an arithmetic number, because the mean of its divisors is an integer number (11406220929).

Almost surely, 2^45624433409 is an apocalyptic number.

It is an amenable number.

45624433409 is a deficient number, since it is larger than the sum of its proper divisors (450307).

45624433409 is a wasteful number, since it uses less digits than its factorization.

45624433409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450306.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 45624433409 in words is "forty-five billion, six hundred twenty-four million, four hundred thirty-three thousand, four hundred nine".