19433732093 has 4 divisors (see below), whose sum is σ = 19438821948. Its totient is φ = 19428642240.

The previous prime is 19433732069. The next prime is 19433732107. The reversal of 19433732093 is 39023733491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15982522084 + 3451210009 = 126422^2 + 58747^2 .

It is a cyclic number.

It is not a de Polignac number, because 19433732093 - 2¹⁴ = 19433715709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19433732023) 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, 2539196 + ... + 2546837.

It is an arithmetic number, because the mean of its divisors is an integer number (4859705487).

Almost surely, 2^19433732093 is an apocalyptic number.

It is an amenable number.

19433732093 is a deficient number, since it is larger than the sum of its proper divisors (5089855).

19433732093 is an equidigital number, since it uses as much as digits as its factorization.

19433732093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089854.

The product of its (nonzero) digits is 367416, while the sum is 44.

The spelling of 19433732093 in words is "nineteen billion, four hundred thirty-three million, seven hundred thirty-two thousand, ninety-three".