45551216909 has 8 divisors (see below), whose sum is σ = 49694055552. Its totient is φ = 41408681440.

The previous prime is 45551216863. The next prime is 45551217017. The reversal of 45551216909 is 90961215554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45551216909 - 2⁸ = 45551216653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551266909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335372 + ... + 451194.

It is an arithmetic number, because the mean of its divisors is an integer number (6211756944).

Almost surely, 2^45551216909 is an apocalyptic number.

It is an amenable number.

45551216909 is a deficient number, since it is larger than the sum of its proper divisors (4142838643).

45551216909 is a wasteful number, since it uses less digits than its factorization.

45551216909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151587.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 45551216909 in words is "forty-five billion, five hundred fifty-one million, two hundred sixteen thousand, nine hundred nine".