19487373351960 has 64 divisors (see below), whose sum is σ = 58677847534080. Its totient is φ = 5177457118080.

The previous prime is 19487373351889. The next prime is 19487373351967. The reversal of 19487373351960 is 6915337378491.

It is a junction number, because it is equal to n+sod(n) for n = 19487373351891 and 19487373351900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19487373351967) 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, 299588842 + ... + 299653881.

It is an arithmetic number, because the mean of its divisors is an integer number (916841367720).

Almost surely, 2^{19487373351960} is an apocalyptic number.

19487373351960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19487373351960 is an abundant number, since it is smaller than the sum of its proper divisors (39190474182120).

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

19487373351960 is a wasteful number, since it uses less digits than its factorization.

19487373351960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599243008 (or 599243004 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 66.

The spelling of 19487373351960 in words is "nineteen trillion, four hundred eighty-seven billion, three hundred seventy-three million, three hundred fifty-one thousand, nine hundred sixty".