1629893423 has 8 divisors (see below), whose sum is σ = 1636352640. Its totient is φ = 1623444480.

The previous prime is 1629893407. The next prime is 1629893429. The reversal of 1629893423 is 3243989261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1629893423 - 2⁴ = 1629893407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1629893429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483263 + ... + 486623.

It is an arithmetic number, because the mean of its divisors is an integer number (204544080).

Almost surely, 2^1629893423 is an apocalyptic number.

1629893423 is a deficient number, since it is larger than the sum of its proper divisors (6459217).

1629893423 is a wasteful number, since it uses less digits than its factorization.

1629893423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137.

The product of its digits is 559872, while the sum is 47.

The square root of 1629893423 is about 40371.9385588555. The cubic root of 1629893423 is about 1176.8462715493.

The spelling of 1629893423 in words is "one billion, six hundred twenty-nine million, eight hundred ninety-three thousand, four hundred twenty-three".