19038042040629 has 4 divisors (see below), whose sum is σ = 25384056054176. Its totient is φ = 12692028027084.

The previous prime is 19038042040627. The next prime is 19038042040637. The reversal of 19038042040629 is 92604024083091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 19038042040629 - 2¹ = 19038042040627 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 (19038042040621) 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, 3173007006769 + ... + 3173007006774.

It is an arithmetic number, because the mean of its divisors is an integer number (6346014013544).

Almost surely, 2^{19038042040629} is an apocalyptic number.

It is an amenable number.

19038042040629 is a deficient number, since it is larger than the sum of its proper divisors (6346014013547).

19038042040629 is an equidigital number, since it uses as much as digits as its factorization.

19038042040629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346014013546.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 19038042040629 in words is "nineteen trillion, thirty-eight billion, forty-two million, forty thousand, six hundred twenty-nine".