19952754563 has 8 divisors (see below), whose sum is σ = 24003313920. Its totient is φ = 16202236680.

The previous prime is 19952754529. The next prime is 19952754589. The reversal of 19952754563 is 36545725991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19952754563 - 2¹⁰ = 19952753539 is a prime.

It is a super-2 number, since 2×19952754563² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19952754499 and 19952754508.

It is not an unprimeable number, because it can be changed into a prime (19952757563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75010223 + ... + 75010488.

It is an arithmetic number, because the mean of its divisors is an integer number (3000414240).

Almost surely, 2^19952754563 is an apocalyptic number.

19952754563 is a deficient number, since it is larger than the sum of its proper divisors (4050559357).

19952754563 is a wasteful number, since it uses less digits than its factorization.

19952754563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150020737.

The product of its digits is 10206000, while the sum is 56.

The spelling of 19952754563 in words is "nineteen billion, nine hundred fifty-two million, seven hundred fifty-four thousand, five hundred sixty-three".