19863779301452 has 12 divisors (see below), whose sum is σ = 36272988289776. Its totient is φ = 9500068361520.

The previous prime is 19863779301451. The next prime is 19863779301529. The reversal of 19863779301452 is 25410397736891.

It is not an unprimeable number, because it can be changed into a prime (19863779301451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107955322199 + ... + 107955322382.

It is an arithmetic number, because the mean of its divisors is an integer number (3022749024148).

It is a 1-persistent number, because it is pandigital, but 2⋅19863779301452 = 39727558602904 is not.

Almost surely, 2^{19863779301452} is an apocalyptic number.

It is an amenable number.

19863779301452 is a deficient number, since it is larger than the sum of its proper divisors (16409208988324).

19863779301452 is a wasteful number, since it uses less digits than its factorization.

19863779301452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215910644608 (or 215910644606 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 19863779301452 in words is "nineteen trillion, eight hundred sixty-three billion, seven hundred seventy-nine million, three hundred one thousand, four hundred fifty-two".