5194381671 has 72 divisors (see below), whose sum is σ = 8491251600. Its totient is φ = 3050403840.

The previous prime is 5194381667. The next prime is 5194381679. The reversal of 5194381671 is 1761834915.

5194381671 is a `hidden beast` number, since 51 + 9 + 438 + 167 + 1 = 666.

It is not a de Polignac number, because 5194381671 - 2² = 5194381667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5194381679) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4397701 + ... + 4398881.

It is an arithmetic number, because the mean of its divisors is an integer number (117934050).

Almost surely, 2^5194381671 is an apocalyptic number.

5194381671 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5194381671 is a deficient number, since it is larger than the sum of its proper divisors (3296869929).

5194381671 is a wasteful number, since it uses less digits than its factorization.

5194381671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1309 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 5194381671 is about 72072.0588785973. The cubic root of 5194381671 is about 1731.8540350254.

The spelling of 5194381671 in words is "five billion, one hundred ninety-four million, three hundred eighty-one thousand, six hundred seventy-one".