48219442109 has 4 divisors (see below), whose sum is σ = 50315939616. Its totient is φ = 46122944604.

The previous prime is 48219442093. The next prime is 48219442123. The reversal of 48219442109 is 90124491284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48219442109 - 2⁴ = 48219442093 is a prime.

It is a super-2 number, since 2×48219442109² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48219442109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48219442129) 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, 1048248719 + ... + 1048248764.

It is an arithmetic number, because the mean of its divisors is an integer number (12578984904).

Almost surely, 2^48219442109 is an apocalyptic number.

It is an amenable number.

48219442109 is a deficient number, since it is larger than the sum of its proper divisors (2096497507).

48219442109 is a wasteful number, since it uses less digits than its factorization.

48219442109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096497506.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 48219442109 in words is "forty-eight billion, two hundred nineteen million, four hundred forty-two thousand, one hundred nine".