45672209647 has 4 divisors (see below), whose sum is σ = 45674773560. Its totient is φ = 45669645736.

The previous prime is 45672209621. The next prime is 45672209717. The reversal of 45672209647 is 74690227654.

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 45672209647 - 2³¹ = 43524725999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45672209594 and 45672209603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45672200647) 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, 1255048 + ... + 1290925.

It is an arithmetic number, because the mean of its divisors is an integer number (11418693390).

Almost surely, 2^45672209647 is an apocalyptic number.

45672209647 is a deficient number, since it is larger than the sum of its proper divisors (2563913).

45672209647 is a wasteful number, since it uses less digits than its factorization.

45672209647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563912.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 45672209647 in words is "forty-five billion, six hundred seventy-two million, two hundred nine thousand, six hundred forty-seven".