19241365693 has 4 divisors (see below), whose sum is σ = 20990580768. Its totient is φ = 17492150620.

The previous prime is 19241365687. The next prime is 19241365711. The reversal of 19241365693 is 39656314291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39656314291 = 11 ⋅3605119481.

It is a cyclic number.

It is not a de Polignac number, because 19241365693 - 2²¹ = 19239268541 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 (19241365613) 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 3 ways as a sum of consecutive naturals, for example, 874607521 + ... + 874607542.

It is an arithmetic number, because the mean of its divisors is an integer number (5247645192).

Almost surely, 2^19241365693 is an apocalyptic number.

It is an amenable number.

19241365693 is a deficient number, since it is larger than the sum of its proper divisors (1749215075).

19241365693 is a wasteful number, since it uses less digits than its factorization.

19241365693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749215074.

The product of its digits is 1049760, while the sum is 49.

The spelling of 19241365693 in words is "nineteen billion, two hundred forty-one million, three hundred sixty-five thousand, six hundred ninety-three".