1749454909428 has 12 divisors (see below), whose sum is σ = 4082061455360. Its totient is φ = 583151636472.

The previous prime is 1749454909343. The next prime is 1749454909429. The reversal of 1749454909428 is 8249094549471.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1749454909429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72893954548 + ... + 72893954571.

Almost surely, 2^{1749454909428} is an apocalyptic number.

It is an amenable number.

1749454909428 is an abundant number, since it is smaller than the sum of its proper divisors (2332606545932).

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

1749454909428 is a wasteful number, since it uses less digits than its factorization.

1749454909428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145787909126 (or 145787909124 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 1749454909428 in words is "one trillion, seven hundred forty-nine billion, four hundred fifty-four million, nine hundred nine thousand, four hundred twenty-eight".