49745320519 has 4 divisors (see below), whose sum is σ = 49754365696. Its totient is φ = 49736275344.

The previous prime is 49745320453. The next prime is 49745320553. The reversal of 49745320519 is 91502354794.

49745320519 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 49745320519 - 2¹⁷ = 49745189447 is a prime.

It is a super-2 number, since 2×49745320519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49745320579) 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, 4514334 + ... + 4525339.

It is an arithmetic number, because the mean of its divisors is an integer number (12438591424).

Almost surely, 2^49745320519 is an apocalyptic number.

49745320519 is a deficient number, since it is larger than the sum of its proper divisors (9045177).

49745320519 is an equidigital number, since it uses as much as digits as its factorization.

49745320519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045176.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 49745320519 in words is "forty-nine billion, seven hundred forty-five million, three hundred twenty thousand, five hundred nineteen".