19747233071896 has 64 divisors (see below), whose sum is σ = 42213391418880. Its totient is φ = 8572482842880.

The previous prime is 19747233071887. The next prime is 19747233071897. The reversal of 19747233071896 is 69817033274791.

It is a super-3 number, since 3×19747233071896³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19747233071897) 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, 6230301 + ... + 8849356.

It is an arithmetic number, because the mean of its divisors is an integer number (659584240920).

Almost surely, 2^{19747233071896} is an apocalyptic number.

It is an amenable number.

19747233071896 is an abundant number, since it is smaller than the sum of its proper divisors (22466158346984).

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

19747233071896 is a wasteful number, since it uses less digits than its factorization.

19747233071896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15080344 (or 15080340 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 67.

The spelling of 19747233071896 in words is "nineteen trillion, seven hundred forty-seven billion, two hundred thirty-three million, seventy-one thousand, eight hundred ninety-six".