19358671390149 has 96 divisors (see below), whose sum is σ = 32206094598144. Its totient is φ = 10127003927040.

The previous prime is 19358671390117. The next prime is 19358671390159. The reversal of 19358671390149 is 94109317685391.

It is not a de Polignac number, because 19358671390149 - 2⁵ = 19358671390117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19358671390149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19358671390159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1547325804 + ... + 1547338314.

It is an arithmetic number, because the mean of its divisors is an integer number (335480152064).

Almost surely, 2^{19358671390149} is an apocalyptic number.

It is an amenable number.

19358671390149 is a deficient number, since it is larger than the sum of its proper divisors (12847423207995).

19358671390149 is a wasteful number, since it uses less digits than its factorization.

19358671390149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16107 (or 16094 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 19358671390149 in words is "nineteen trillion, three hundred fifty-eight billion, six hundred seventy-one million, three hundred ninety thousand, one hundred forty-nine".