19538419130952 has 64 divisors (see below), whose sum is σ = 50042052668160. Its totient is φ = 6353368512000.

The previous prime is 19538419130903. The next prime is 19538419130957. The reversal of 19538419130952 is 25903191483591.

It is a super-2 number, since 2×19538419130952² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19538419130957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9764577 + ... + 11594127.

It is an arithmetic number, because the mean of its divisors is an integer number (781907072940).

Almost surely, 2^{19538419130952} is an apocalyptic number.

19538419130952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19538419130952 is an abundant number, since it is smaller than the sum of its proper divisors (30503633537208).

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

19538419130952 is a wasteful number, since it uses less digits than its factorization.

19538419130952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840454 (or 1840450 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 19538419130952 in words is "nineteen trillion, five hundred thirty-eight billion, four hundred nineteen million, one hundred thirty thousand, nine hundred fifty-two".