1933532681654 has 12 divisors (see below), whose sum is σ = 3373817230404. Its totient is φ = 828656863524.

The previous prime is 1933532681651. The next prime is 1933532681681. The reversal of 1933532681654 is 4561862353391.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1933532681654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1933532681651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9864962564 + ... + 9864962759.

It is an arithmetic number, because the mean of its divisors is an integer number (281151435867).

Almost surely, 2^{1933532681654} is an apocalyptic number.

1933532681654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1933532681654 is a deficient number, since it is larger than the sum of its proper divisors (1440284548750).

1933532681654 is a wasteful number, since it uses less digits than its factorization.

1933532681654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19729925339 (or 19729925332 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 56.

The spelling of 1933532681654 in words is "one trillion, nine hundred thirty-three billion, five hundred thirty-two million, six hundred eighty-one thousand, six hundred fifty-four".