19418740373 has 16 divisors (see below), whose sum is σ = 21155668800. Its totient is φ = 17753904000.

The previous prime is 19418740361. The next prime is 19418740379. The reversal of 19418740373 is 37304781491.

It is not a de Polignac number, because 19418740373 - 2¹⁶ = 19418674837 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 (19418740379) by changing a digit.

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, 1355498 + ... + 1369748.

It is an arithmetic number, because the mean of its divisors is an integer number (1322229300).

Almost surely, 2^19418740373 is an apocalyptic number.

It is an amenable number.

19418740373 is a deficient number, since it is larger than the sum of its proper divisors (1736928427).

19418740373 is a wasteful number, since it uses less digits than its factorization.

19418740373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16772.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 19418740373 in words is "nineteen billion, four hundred eighteen million, seven hundred forty thousand, three hundred seventy-three".