19149165285 has 16 divisors (see below), whose sum is σ = 30746935104. Its totient is φ = 10176797952.

The previous prime is 19149165271. The next prime is 19149165293. The reversal of 19149165285 is 58256194191.

It is not a de Polignac number, because 19149165285 - 2⁶ = 19149165221 is a prime.

It is a super-2 number, since 2×19149165285² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251252 + ... + 2259741.

It is an arithmetic number, because the mean of its divisors is an integer number (1921683444).

Almost surely, 2^19149165285 is an apocalyptic number.

19149165285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19149165285 is a deficient number, since it is larger than the sum of its proper divisors (11597769819).

19149165285 is a wasteful number, since it uses less digits than its factorization.

19149165285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511284.

The product of its digits is 777600, while the sum is 51.

The spelling of 19149165285 in words is "nineteen billion, one hundred forty-nine million, one hundred sixty-five thousand, two hundred eighty-five".