2685191357 has 8 divisors (see below), whose sum is σ = 2768952576. Its totient is φ = 2602539792.

The previous prime is 2685191323. The next prime is 2685191381. The reversal of 2685191357 is 7531915862.

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 2685191357 - 2⁸ = 2685191101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685191317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272498 + ... + 282179.

It is an arithmetic number, because the mean of its divisors is an integer number (346119072).

Almost surely, 2^2685191357 is an apocalyptic number.

It is an amenable number.

2685191357 is a deficient number, since it is larger than the sum of its proper divisors (83761219).

2685191357 is a wasteful number, since it uses less digits than its factorization.

2685191357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554827.

The product of its digits is 453600, while the sum is 47.

The square root of 2685191357 is about 51818.8320690461. The cubic root of 2685191357 is about 1389.9262174662.

The spelling of 2685191357 in words is "two billion, six hundred eighty-five million, one hundred ninety-one thousand, three hundred fifty-seven".