47242564431 has 8 divisors (see below), whose sum is σ = 62992120320. Its totient is φ = 31494025752.

The previous prime is 47242564399. The next prime is 47242564451. The reversal of 47242564431 is 13446524274.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47242564431 - 2⁵ = 47242564399 is a prime.

It is a super-2 number, since 2×47242564431² (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 (47242564451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138385 + ... + 337098.

It is an arithmetic number, because the mean of its divisors is an integer number (7874015040).

Almost surely, 2^47242564431 is an apocalyptic number.

47242564431 is a deficient number, since it is larger than the sum of its proper divisors (15749555889).

47242564431 is a wasteful number, since it uses less digits than its factorization.

47242564431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508605.

The product of its digits is 645120, while the sum is 42.

The spelling of 47242564431 in words is "forty-seven billion, two hundred forty-two million, five hundred sixty-four thousand, four hundred thirty-one".