47151623747 has 4 divisors (see below), whose sum is σ = 47198171280. Its totient is φ = 47105076216.

The previous prime is 47151623741. The next prime is 47151623789. The reversal of 47151623747 is 74732615174.

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 47151623747 - 2¹⁸ = 47151361603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47151623741) 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, 23272247 + ... + 23274272.

It is an arithmetic number, because the mean of its divisors is an integer number (11799542820).

Almost surely, 2^47151623747 is an apocalyptic number.

47151623747 is a deficient number, since it is larger than the sum of its proper divisors (46547533).

47151623747 is a wasteful number, since it uses less digits than its factorization.

47151623747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46547532.

The product of its digits is 987840, while the sum is 47.

The spelling of 47151623747 in words is "forty-seven billion, one hundred fifty-one million, six hundred twenty-three thousand, seven hundred forty-seven".