19597034368412 has 12 divisors (see below), whose sum is σ = 34297891240536. Its totient is φ = 9797636871120.

The previous prime is 19597034368393. The next prime is 19597034368421. The reversal of 19597034368412 is 21486343079591.

It is a happy number.

It is a super-2 number, since 2×19597034368412² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220028183 + ... + 220117230.

It is an arithmetic number, because the mean of its divisors is an integer number (2858157603378).

It is a 1-persistent number, because it is pandigital, but 2⋅19597034368412 = 39194068736824 is not.

Almost surely, 2^{19597034368412} is an apocalyptic number.

It is an amenable number.

19597034368412 is a deficient number, since it is larger than the sum of its proper divisors (14700856872124).

19597034368412 is a wasteful number, since it uses less digits than its factorization.

19597034368412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440156548 (or 440156546 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 19597034368412 in words is "nineteen trillion, five hundred ninety-seven billion, thirty-four million, three hundred sixty-eight thousand, four hundred twelve".