47418340551 has 4 divisors (see below), whose sum is σ = 63224454072. Its totient is φ = 31612227032.

The previous prime is 47418340549. The next prime is 47418340591. The reversal of 47418340551 is 15504381474.

47418340551 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 not a de Polignac number, because 47418340551 - 2¹ = 47418340549 is a prime.

It is a super-2 number, since 2×47418340551² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47418340511) 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, 7903056756 + ... + 7903056761.

It is an arithmetic number, because the mean of its divisors is an integer number (15806113518).

Almost surely, 2^47418340551 is an apocalyptic number.

47418340551 is a deficient number, since it is larger than the sum of its proper divisors (15806113521).

47418340551 is a wasteful number, since it uses less digits than its factorization.

47418340551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806113520.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 47418340551 in words is "forty-seven billion, four hundred eighteen million, three hundred forty thousand, five hundred fifty-one".