19852473507 has 8 divisors (see below), whose sum is σ = 26805027840. Its totient is φ = 13067450760.

The previous prime is 19852473497. The next prime is 19852473521. The reversal of 19852473507 is 70537425891.

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

It is not a de Polignac number, because 19852473507 - 2¹⁹ = 19851949219 is a prime.

It is a super-2 number, since 2×19852473507² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19852473507.

It is not an unprimeable number, because it can be changed into a prime (19852473527) 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, 41882619 + ... + 41883092.

It is an arithmetic number, because the mean of its divisors is an integer number (3350628480).

Almost surely, 2^19852473507 is an apocalyptic number.

19852473507 is a deficient number, since it is larger than the sum of its proper divisors (6952554333).

19852473507 is an equidigital number, since it uses as much as digits as its factorization.

19852473507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83765793.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 19852473507 in words is "nineteen billion, eight hundred fifty-two million, four hundred seventy-three thousand, five hundred seven".