19132994445 has 16 divisors (see below), whose sum is σ = 31043958912. Its totient is φ = 10060541120.

The previous prime is 19132994411. The next prime is 19132994453. The reversal of 19132994445 is 54449923191.

It is a happy number.

It is not a de Polignac number, because 19132994445 - 2¹⁴ = 19132978061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8981562 + ... + 8983691.

It is an arithmetic number, because the mean of its divisors is an integer number (1940247432).

Almost surely, 2^19132994445 is an apocalyptic number.

19132994445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19132994445 is a deficient number, since it is larger than the sum of its proper divisors (11910964467).

19132994445 is a wasteful number, since it uses less digits than its factorization.

19132994445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17965332.

The product of its digits is 1399680, while the sum is 51.

The spelling of 19132994445 in words is "nineteen billion, one hundred thirty-two million, nine hundred ninety-four thousand, four hundred forty-five".