19751275852 has 192 divisors, whose sum is σ = 47847905280. Its totient is φ = 6893568000.

The previous prime is 19751275849. The next prime is 19751275853. The reversal of 19751275852 is 25857215791.

It is a super-2 number, since 2×19751275852² (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 19751275852.

It is not an unprimeable number, because it can be changed into a prime (19751275853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48291424 + ... + 48291832.

It is an arithmetic number, because the mean of its divisors is an integer number (249207840).

Almost surely, 2^19751275852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19751275852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23923952640).

19751275852 is an abundant number, since it is smaller than the sum of its proper divisors (28096629428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19751275852 is a wasteful number, since it uses less digits than its factorization.

19751275852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 870 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 52.

The spelling of 19751275852 in words is "nineteen billion, seven hundred fifty-one million, two hundred seventy-five thousand, eight hundred fifty-two".