19214973743 has 32 divisors (see below), whose sum is σ = 23357030400. Its totient is φ = 15452125920.

The previous prime is 19214973721. The next prime is 19214973769. The reversal of 19214973743 is 34737941291.

It is not a de Polignac number, because 19214973743 - 2¹⁸ = 19214711599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19214973691 and 19214973700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19214973773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2270546 + ... + 2278992.

It is an arithmetic number, because the mean of its divisors is an integer number (729907200).

Almost surely, 2^19214973743 is an apocalyptic number.

19214973743 is a deficient number, since it is larger than the sum of its proper divisors (4142056657).

19214973743 is a wasteful number, since it uses less digits than its factorization.

19214973743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747.

The product of its digits is 1143072, while the sum is 50.

The spelling of 19214973743 in words is "nineteen billion, two hundred fourteen million, nine hundred seventy-three thousand, seven hundred forty-three".