5171399654 has 16 divisors (see below), whose sum is σ = 8027974800. Its totient is φ = 2495483424.

The previous prime is 5171399641. The next prime is 5171399663. The reversal of 5171399654 is 4569931715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129704 + ... + 164820.

It is an arithmetic number, because the mean of its divisors is an integer number (501748425).

Almost surely, 2^5171399654 is an apocalyptic number.

5171399654 is a deficient number, since it is larger than the sum of its proper divisors (2856575146).

5171399654 is a wasteful number, since it uses less digits than its factorization.

5171399654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37687.

The product of its digits is 1020600, while the sum is 50.

The square root of 5171399654 is about 71912.4443611813. Note that the first 3 decimals coincide. The cubic root of 5171399654 is about 1729.2961211519.

The spelling of 5171399654 in words is "five billion, one hundred seventy-one million, three hundred ninety-nine thousand, six hundred fifty-four".