45499072609 has 4 divisors (see below), whose sum is σ = 45556886704. Its totient is φ = 45441258516.

The previous prime is 45499072583. The next prime is 45499072613. The reversal of 45499072609 is 90627099454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45499072609 - 2⁷ = 45499072481 is a prime.

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 45499072609.

It is not an unprimeable number, because it can be changed into a prime (45499072649) 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 3 ways as a sum of consecutive naturals, for example, 28905867 + ... + 28907440.

It is an arithmetic number, because the mean of its divisors is an integer number (11389221676).

Almost surely, 2^45499072609 is an apocalyptic number.

It is an amenable number.

45499072609 is a deficient number, since it is larger than the sum of its proper divisors (57814095).

45499072609 is an equidigital number, since it uses as much as digits as its factorization.

45499072609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57814094.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 45499072609 in words is "forty-five billion, four hundred ninety-nine million, seventy-two thousand, six hundred nine".