5298691687 has 8 divisors (see below), whose sum is σ = 5414400000. Its totient is φ = 5183107224.

The previous prime is 5298691679. The next prime is 5298691691. The reversal of 5298691687 is 7861968925.

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 5298691687 - 2³ = 5298691679 is a prime.

It is a super-2 number, since 2×5298691687² = 56152267187765811938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5298691637) 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, 58314 + ... + 118312.

It is an arithmetic number, because the mean of its divisors is an integer number (676800000).

Almost surely, 2^5298691687 is an apocalyptic number.

5298691687 is a deficient number, since it is larger than the sum of its proper divisors (115708313).

5298691687 is a wasteful number, since it uses less digits than its factorization.

5298691687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61925.

The product of its digits is 13063680, while the sum is 61.

The square root of 5298691687 is about 72792.1128076387. The cubic root of 5298691687 is about 1743.3699264872.

The spelling of 5298691687 in words is "five billion, two hundred ninety-eight million, six hundred ninety-one thousand, six hundred eighty-seven".