47769509147 has 4 divisors (see below), whose sum is σ = 48192248280. Its totient is φ = 47346770016.

The previous prime is 47769509143. The next prime is 47769509197. The reversal of 47769509147 is 74190596774.

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 47769509147 - 2² = 47769509143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47769509141) 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, 211369397 + ... + 211369622.

It is an arithmetic number, because the mean of its divisors is an integer number (12048062070).

Almost surely, 2^47769509147 is an apocalyptic number.

47769509147 is a deficient number, since it is larger than the sum of its proper divisors (422739133).

47769509147 is a wasteful number, since it uses less digits than its factorization.

47769509147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422739132.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 47769509147 in words is "forty-seven billion, seven hundred sixty-nine million, five hundred nine thousand, one hundred forty-seven".