49982197845 has 64 divisors (see below), whose sum is σ = 85549685760. Its totient is φ = 24831206400.

The previous prime is 49982197843. The next prime is 49982197891. The reversal of 49982197845 is 54879128994.

49982197845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49982197845 - 2¹ = 49982197843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49982197843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13994910 + ... + 13998480.

It is an arithmetic number, because the mean of its divisors is an integer number (1336713840).

Almost surely, 2^49982197845 is an apocalyptic number.

It is an amenable number.

49982197845 is a deficient number, since it is larger than the sum of its proper divisors (35567487915).

49982197845 is a wasteful number, since it uses less digits than its factorization.

49982197845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its digits is 52254720, while the sum is 66.

The spelling of 49982197845 in words is "forty-nine billion, nine hundred eighty-two million, one hundred ninety-seven thousand, eight hundred forty-five".