45242838691 has 8 divisors (see below), whose sum is σ = 45485789184. Its totient is φ = 44999951880.

The previous prime is 45242838673. The next prime is 45242838713. The reversal of 45242838691 is 19683824254.

It is a happy number.

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 45242838691 - 2¹³ = 45242830499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45242838611) 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 7 ways as a sum of consecutive naturals, for example, 2309560 + ... + 2329066.

It is an arithmetic number, because the mean of its divisors is an integer number (5685723648).

Almost surely, 2^45242838691 is an apocalyptic number.

45242838691 is a deficient number, since it is larger than the sum of its proper divisors (242950493).

45242838691 is a wasteful number, since it uses less digits than its factorization.

45242838691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31841.

The product of its digits is 3317760, while the sum is 52.

The spelling of 45242838691 in words is "forty-five billion, two hundred forty-two million, eight hundred thirty-eight thousand, six hundred ninety-one".