5047747693951 has 4 divisors (see below), whose sum is σ = 5094922906152. Its totient is φ = 5000572481752.

The previous prime is 5047747693949. The next prime is 5047747693981. The reversal of 5047747693951 is 1593967477405.

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 5047747693951 - 2¹ = 5047747693949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5047747693981) 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, 23587605940 + ... + 23587606153.

It is an arithmetic number, because the mean of its divisors is an integer number (1273730726538).

Almost surely, 2^{5047747693951} is an apocalyptic number.

5047747693951 is a deficient number, since it is larger than the sum of its proper divisors (47175212201).

5047747693951 is a wasteful number, since it uses less digits than its factorization.

5047747693951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47175212200.

The product of its (nonzero) digits is 200037600, while the sum is 67.

The spelling of 5047747693951 in words is "five trillion, forty-seven billion, seven hundred forty-seven million, six hundred ninety-three thousand, nine hundred fifty-one".