49918209545 has 8 divisors (see below), whose sum is σ = 59905278600. Its totient is φ = 39932282880.

The previous prime is 49918209529. The next prime is 49918209557. The reversal of 49918209545 is 54590281994.

It can be written as a sum of positive squares in 4 ways, for example, as 1488725056 + 48429484489 = 38584^2 + 220067^2 .

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

It is not a de Polignac number, because 49918209545 - 2⁴ = 49918209529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186326 + ... + 366815.

It is an arithmetic number, because the mean of its divisors is an integer number (7488159825).

Almost surely, 2^49918209545 is an apocalyptic number.

It is an amenable number.

49918209545 is a deficient number, since it is larger than the sum of its proper divisors (9987069055).

49918209545 is a wasteful number, since it uses less digits than its factorization.

49918209545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571195.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 49918209545 in words is "forty-nine billion, nine hundred eighteen million, two hundred nine thousand, five hundred forty-five".