49878273545 has 8 divisors (see below), whose sum is σ = 60696941760. Its totient is φ = 39340609840.

The previous prime is 49878273517. The next prime is 49878273583. The reversal of 49878273545 is 54537287894.

49878273545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49878273545 - 2²⁴ = 49861496329 is a prime.

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, 70250735 + ... + 70251444.

It is an arithmetic number, because the mean of its divisors is an integer number (7587117720).

Almost surely, 2^49878273545 is an apocalyptic number.

It is an amenable number.

49878273545 is a deficient number, since it is larger than the sum of its proper divisors (10818668215).

49878273545 is a wasteful number, since it uses less digits than its factorization.

49878273545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140502255.

The product of its digits is 67737600, while the sum is 62.

The spelling of 49878273545 in words is "forty-nine billion, eight hundred seventy-eight million, two hundred seventy-three thousand, five hundred forty-five".