47871682499431 has 16 divisors (see below), whose sum is σ = 54871352926720. Its totient is φ = 40912402739040.

The previous prime is 47871682499423. The next prime is 47871682499477. The reversal of 47871682499431 is 13499428617874.

It is a happy number.

It is not a de Polignac number, because 47871682499431 - 2³ = 47871682499423 is a prime.

It is a super-2 number, since 2×47871682499431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47871682491431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068756 + ... + 10597081.

It is an arithmetic number, because the mean of its divisors is an integer number (3429459557920).

Almost surely, 2^{47871682499431} is an apocalyptic number.

47871682499431 is a deficient number, since it is larger than the sum of its proper divisors (6999670427289).

47871682499431 is a wasteful number, since it uses less digits than its factorization.

47871682499431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667214.

The product of its digits is 585252864, while the sum is 73.

The spelling of 47871682499431 in words is "forty-seven trillion, eight hundred seventy-one billion, six hundred eighty-two million, four hundred ninety-nine thousand, four hundred thirty-one".