1683861727135 has 16 divisors (see below), whose sum is σ = 2321386647552. Its totient is φ = 1148602759200.

The previous prime is 1683861727087. The next prime is 1683861727147. The reversal of 1683861727135 is 5317271683861.

It is not a de Polignac number, because 1683861727135 - 2²¹ = 1683859629983 is a prime.

It is a super-2 number, since 2×1683861727135² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1683861727135.

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, 125936601 + ... + 125949970.

It is an arithmetic number, because the mean of its divisors is an integer number (145086665472).

Almost surely, 2^{1683861727135} is an apocalyptic number.

1683861727135 is a deficient number, since it is larger than the sum of its proper divisors (637524920417).

1683861727135 is a wasteful number, since it uses less digits than its factorization.

1683861727135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251886774.

The product of its digits is 10160640, while the sum is 58.

The spelling of 1683861727135 in words is "one trillion, six hundred eighty-three billion, eight hundred sixty-one million, seven hundred twenty-seven thousand, one hundred thirty-five".