19903645137096 has 48 divisors (see below), whose sum is σ = 61606520664000. Its totient is φ = 5686755753312.

The previous prime is 19903645137059. The next prime is 19903645137119. The reversal of 19903645137096 is 69073154630991.

19903645137096 is a `hidden beast` number, since 1 + 9 + 90 + 3 + 6 + 451 + 3 + 7 + 0 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19745679196 + ... + 19745680203.

It is an arithmetic number, because the mean of its divisors is an integer number (1283469180500).

Almost surely, 2^{19903645137096} is an apocalyptic number.

It is an amenable number.

19903645137096 is an abundant number, since it is smaller than the sum of its proper divisors (41702875526904).

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

19903645137096 is a wasteful number, since it uses less digits than its factorization.

19903645137096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39491359418 (or 39491359411 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 63.

The spelling of 19903645137096 in words is "nineteen trillion, nine hundred three billion, six hundred forty-five million, one hundred thirty-seven thousand, ninety-six".