19837980023604 has 24 divisors (see below), whose sum is σ = 47884779368160. Its totient is φ = 6384637248864.

The previous prime is 19837980023597. The next prime is 19837980023621. The reversal of 19837980023604 is 40632008973891.

It is a super-2 number, since 2×19837980023604² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28502844514 + ... + 28502845209.

It is an arithmetic number, because the mean of its divisors is an integer number (1995199140340).

Almost surely, 2^{19837980023604} is an apocalyptic number.

It is an amenable number.

19837980023604 is an abundant number, since it is smaller than the sum of its proper divisors (28046799344556).

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

19837980023604 is a wasteful number, since it uses less digits than its factorization.

19837980023604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57005689759 (or 57005689757 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 19837980023604 in words is "nineteen trillion, eight hundred thirty-seven billion, nine hundred eighty million, twenty-three thousand, six hundred four".