1913535363648 has 224 divisors, whose sum is σ = 5387952038400. Its totient is φ = 599355629568.

The previous prime is 1913535363643. The next prime is 1913535363661. The reversal of 1913535363648 is 8463635353191.

It is not an unprimeable number, because it can be changed into a prime (1913535363643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781991161 + ... + 781993607.

Almost surely, 2^{1913535363648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913535363648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2693976019200).

1913535363648 is an abundant number, since it is smaller than the sum of its proper divisors (3474416674752).

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

1913535363648 is an equidigital number, since it uses as much as digits as its factorization.

1913535363648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3298 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 57.

The spelling of 1913535363648 in words is "one trillion, nine hundred thirteen billion, five hundred thirty-five million, three hundred sixty-three thousand, six hundred forty-eight".