1693668426948 has 72 divisors (see below), whose sum is σ = 4381170681888. Its totient is φ = 551377830528.

The previous prime is 1693668426907. The next prime is 1693668426953. The reversal of 1693668426948 is 8496248663961.

1693668426948 is a `hidden beast` number, since 16 + 93 + 6 + 68 + 426 + 9 + 48 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20009011 + ... + 20093477.

It is an arithmetic number, because the mean of its divisors is an integer number (60849592804).

Almost surely, 2^{1693668426948} is an apocalyptic number.

1693668426948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1693668426948 is an abundant number, since it is smaller than the sum of its proper divisors (2687502254940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1693668426948 is a wasteful number, since it uses less digits than its factorization.

1693668426948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97473 (or 97468 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 72.

The spelling of 1693668426948 in words is "one trillion, six hundred ninety-three billion, six hundred sixty-eight million, four hundred twenty-six thousand, nine hundred forty-eight".