5423515217847 has 12 divisors (see below), whose sum is σ = 7833998754504. Its totient is φ = 3615661890960.

The previous prime is 5423515217839. The next prime is 5423515217863. The reversal of 5423515217847 is 7487125153245.

5423515217847 is a `hidden beast` number, since 5 + 4 + 2 + 3 + 5 + 1 + 521 + 78 + 47 = 666.

It is not a de Polignac number, because 5423515217847 - 2³ = 5423515217839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5423515217793 and 5423515217802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423515217867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1341472 + ... + 3556202.

It is an arithmetic number, because the mean of its divisors is an integer number (652833229542).

Almost surely, 2^{5423515217847} is an apocalyptic number.

5423515217847 is a deficient number, since it is larger than the sum of its proper divisors (2410483536657).

5423515217847 is a wasteful number, since it uses less digits than its factorization.

5423515217847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486830 (or 2486827 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The spelling of 5423515217847 in words is "five trillion, four hundred twenty-three billion, five hundred fifteen million, two hundred seventeen thousand, eight hundred forty-seven".