1693550029428 has 96 divisors (see below), whose sum is σ = 4396029993600. Its totient is φ = 563830046208.

The previous prime is 1693550029421. The next prime is 1693550029447. The reversal of 1693550029428 is 8249200553961.

1693550029428 is a `hidden beast` number, since 1 + 6 + 93 + 5 + 500 + 2 + 9 + 42 + 8 = 666.

It is a super-2 number, since 2×1693550029428² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693550029421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526436076 + ... + 526439292.

It is an arithmetic number, because the mean of its divisors is an integer number (45791979100).

Almost surely, 2^{1693550029428} is an apocalyptic number.

1693550029428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1693550029428 is an abundant number, since it is smaller than the sum of its proper divisors (2702479964172).

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

1693550029428 is a wasteful number, since it uses less digits than its factorization.

1693550029428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 1693550029428 in words is "one trillion, six hundred ninety-three billion, five hundred fifty million, twenty-nine thousand, four hundred twenty-eight".