49146521822 has 4 divisors (see below), whose sum is σ = 73719782736. Its totient is φ = 24573260910.

The previous prime is 49146521813. The next prime is 49146521839. The reversal of 49146521822 is 22812564194.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12286630454 + ... + 12286630457.

It is an arithmetic number, because the mean of its divisors is an integer number (18429945684).

Almost surely, 2^49146521822 is an apocalyptic number.

49146521822 is a deficient number, since it is larger than the sum of its proper divisors (24573260914).

49146521822 is a wasteful number, since it uses less digits than its factorization.

49146521822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24573260913.

The product of its digits is 276480, while the sum is 44.

The spelling of 49146521822 in words is "forty-nine billion, one hundred forty-six million, five hundred twenty-one thousand, eight hundred twenty-two".