2685191356 has 48 divisors (see below), whose sum is σ = 4935168000. Its totient is φ = 1276816320.

The previous prime is 2685191323. The next prime is 2685191381. The reversal of 2685191356 is 6531915862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634615 + ... + 2635633.

It is an arithmetic number, because the mean of its divisors is an integer number (102816000).

Almost surely, 2^2685191356 is an apocalyptic number.

It is an amenable number.

2685191356 is a deficient number, since it is larger than the sum of its proper divisors (2249976644).

2685191356 is a wasteful number, since it uses less digits than its factorization.

2685191356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1400 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 2685191356 is about 51818.8320593971. The cubic root of 2685191356 is about 1389.9262172937.

The spelling of 2685191356 in words is "two billion, six hundred eighty-five million, one hundred ninety-one thousand, three hundred fifty-six".