1993654266411 has 16 divisors (see below), whose sum is σ = 2677538353280. Its totient is φ = 1319438004480.

The previous prime is 1993654266397. The next prime is 1993654266431. The reversal of 1993654266411 is 1146624563991.

It is not a de Polignac number, because 1993654266411 - 2⁷ = 1993654266283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993654266431) 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, 5362491 + ... + 5722203.

It is an arithmetic number, because the mean of its divisors is an integer number (167346147080).

Almost surely, 2^{1993654266411} is an apocalyptic number.

1993654266411 is a deficient number, since it is larger than the sum of its proper divisors (683884086869).

1993654266411 is a wasteful number, since it uses less digits than its factorization.

1993654266411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373146.

The product of its digits is 8398080, while the sum is 57.

The spelling of 1993654266411 in words is "one trillion, nine hundred ninety-three billion, six hundred fifty-four million, two hundred sixty-six thousand, four hundred eleven".