49541592391 has 4 divisors (see below), whose sum is σ = 49653424872. Its totient is φ = 49429759912.

The previous prime is 49541592383. The next prime is 49541592407. The reversal of 49541592391 is 19329514594.

49541592391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49541592391 - 2³ = 49541592383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49541592341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55915576 + ... + 55916461.

It is an arithmetic number, because the mean of its divisors is an integer number (12413356218).

Almost surely, 2^49541592391 is an apocalyptic number.

49541592391 is a deficient number, since it is larger than the sum of its proper divisors (111832481).

49541592391 is a wasteful number, since it uses less digits than its factorization.

49541592391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111832480.

The product of its digits is 1749600, while the sum is 52.

The spelling of 49541592391 in words is "forty-nine billion, five hundred forty-one million, five hundred ninety-two thousand, three hundred ninety-one".