49215249443 has 4 divisors (see below), whose sum is σ = 50912327040. Its totient is φ = 47518171848.

The previous prime is 49215249431. The next prime is 49215249487. The reversal of 49215249443 is 34494251294.

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 49215249443 - 2⁶ = 49215249379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49215249403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848538755 + ... + 848538812.

It is an arithmetic number, because the mean of its divisors is an integer number (12728081760).

Almost surely, 2^49215249443 is an apocalyptic number.

49215249443 is a deficient number, since it is larger than the sum of its proper divisors (1697077597).

49215249443 is a wasteful number, since it uses less digits than its factorization.

49215249443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697077596.

The product of its digits is 1244160, while the sum is 47.

The spelling of 49215249443 in words is "forty-nine billion, two hundred fifteen million, two hundred forty-nine thousand, four hundred forty-three".