49720853823 has 8 divisors (see below), whose sum is σ = 66326064000. Its totient is φ = 33131439768.

The previous prime is 49720853821. The next prime is 49720853881. The reversal of 49720853823 is 32835802794.

49720853823 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 49720853823 - 2¹ = 49720853821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49720853821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3941683 + ... + 3954276.

It is an arithmetic number, because the mean of its divisors is an integer number (8290758000).

Almost surely, 2^49720853823 is an apocalyptic number.

49720853823 is a deficient number, since it is larger than the sum of its proper divisors (16605210177).

49720853823 is a wasteful number, since it uses less digits than its factorization.

49720853823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898061.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 49720853823 in words is "forty-nine billion, seven hundred twenty million, eight hundred fifty-three thousand, eight hundred twenty-three".