5171394899 has 16 divisors (see below), whose sum is σ = 5741331840. Its totient is φ = 4618210560.

The previous prime is 5171394881. The next prime is 5171394961. The reversal of 5171394899 is 9984931715.

It is a cyclic number.

It is not a de Polignac number, because 5171394899 - 2⁸ = 5171394643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171394199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427939 + ... + 1431555.

It is an arithmetic number, because the mean of its divisors is an integer number (358833240).

Almost surely, 2^5171394899 is an apocalyptic number.

5171394899 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5171394899 is a deficient number, since it is larger than the sum of its proper divisors (569936941).

5171394899 is a wasteful number, since it uses less digits than its factorization.

5171394899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890.

The product of its digits is 2449440, while the sum is 56.

The square root of 5171394899 is about 71912.4113001365. The cubic root of 5171394899 is about 1729.2955911339.

The spelling of 5171394899 in words is "five billion, one hundred seventy-one million, three hundred ninety-four thousand, eight hundred ninety-nine".