5129642685 has 8 divisors (see below), whose sum is σ = 8207428320. Its totient is φ = 2735809424.

The previous prime is 5129642681. The next prime is 5129642711. The reversal of 5129642685 is 5862469215.

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

It is a cyclic number.

It is not a de Polignac number, because 5129642685 - 2² = 5129642681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129642681) 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, 170988075 + ... + 170988104.

It is an arithmetic number, because the mean of its divisors is an integer number (1025928540).

Almost surely, 2^5129642685 is an apocalyptic number.

It is an amenable number.

5129642685 is a deficient number, since it is larger than the sum of its proper divisors (3077785635).

5129642685 is a wasteful number, since it uses less digits than its factorization.

5129642685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341976187.

The product of its digits is 1036800, while the sum is 48.

The square root of 5129642685 is about 71621.5238947064. The cubic root of 5129642685 is about 1724.6290805089.

The spelling of 5129642685 in words is "five billion, one hundred twenty-nine million, six hundred forty-two thousand, six hundred eighty-five".