47191449763 has 4 divisors (see below), whose sum is σ = 47393988408. Its totient is φ = 46988911120.

The previous prime is 47191449751. The next prime is 47191449839. The reversal of 47191449763 is 36794419174.

47191449763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47191449763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47191440763) 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, 101268973 + ... + 101269438.

It is an arithmetic number, because the mean of its divisors is an integer number (11848497102).

Almost surely, 2^47191449763 is an apocalyptic number.

47191449763 is a deficient number, since it is larger than the sum of its proper divisors (202538645).

47191449763 is a wasteful number, since it uses less digits than its factorization.

47191449763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202538644.

The product of its digits is 4572288, while the sum is 55.

The spelling of 47191449763 in words is "forty-seven billion, one hundred ninety-one million, four hundred forty-nine thousand, seven hundred sixty-three".