2686201478 has 16 divisors (see below), whose sum is σ = 4071824640. Its totient is φ = 1328948616.

The previous prime is 2686201457. The next prime is 2686201561. The reversal of 2686201478 is 8741026862.

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, 276833 + ... + 286371.

It is an arithmetic number, because the mean of its divisors is an integer number (254489040).

Almost surely, 2^2686201478 is an apocalyptic number.

2686201478 is a deficient number, since it is larger than the sum of its proper divisors (1385623162).

2686201478 is a wasteful number, since it uses less digits than its factorization.

2686201478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 2686201478 is about 51828.5778118597. The cubic root of 2686201478 is about 1390.1004840837.

The spelling of 2686201478 in words is "two billion, six hundred eighty-six million, two hundred one thousand, four hundred seventy-eight".