19165380207034 has 4 divisors (see below), whose sum is σ = 28748070310554. Its totient is φ = 9582690103516.

The previous prime is 19165380207019. The next prime is 19165380207067. The reversal of 19165380207034 is 43070208356191.

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

It can be written as a sum of positive squares in only one way, i.e., 19001343056809 + 164037150225 = 4359053^2 + 405015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4791345051757 + ... + 4791345051760.

It is a 1-persistent number, because it is pandigital, but 2⋅19165380207034 = 38330760414068 is not.

Almost surely, 2^{19165380207034} is an apocalyptic number.

19165380207034 is a deficient number, since it is larger than the sum of its proper divisors (9582690103520).

19165380207034 is an equidigital number, since it uses as much as digits as its factorization.

19165380207034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582690103519.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 19165380207034 in words is "nineteen trillion, one hundred sixty-five billion, three hundred eighty million, two hundred seven thousand, thirty-four".