1693939581417 has 16 divisors (see below), whose sum is σ = 2296920487680. Its totient is φ = 1110126752592.

The previous prime is 1693939581401. The next prime is 1693939581461. The reversal of 1693939581417 is 7141859393961.

It is not a de Polignac number, because 1693939581417 - 2⁴ = 1693939581401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1693939581497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10291078 + ... + 10454384.

It is an arithmetic number, because the mean of its divisors is an integer number (143557530480).

Almost surely, 2^{1693939581417} is an apocalyptic number.

It is an amenable number.

1693939581417 is a deficient number, since it is larger than the sum of its proper divisors (602980906263).

1693939581417 is a wasteful number, since it uses less digits than its factorization.

1693939581417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221972.

The product of its digits is 44089920, while the sum is 66.

The spelling of 1693939581417 in words is "one trillion, six hundred ninety-three billion, nine hundred thirty-nine million, five hundred eighty-one thousand, four hundred seventeen".