1313833013778 has 32 divisors (see below), whose sum is σ = 2718587160000. Its totient is φ = 422794282176.

The previous prime is 1313833013771. The next prime is 1313833013783. The reversal of 1313833013778 is 8773103383131.

It is not an unprimeable number, because it can be changed into a prime (1313833013771) 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, 1102848 + ... + 1960596.

It is an arithmetic number, because the mean of its divisors is an integer number (84955848750).

Almost surely, 2^{1313833013778} is an apocalyptic number.

1313833013778 is an abundant number, since it is smaller than the sum of its proper divisors (1404754146222).

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

1313833013778 is a wasteful number, since it uses less digits than its factorization.

1313833013778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866586.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 1313833013778 in words is "one trillion, three hundred thirteen billion, eight hundred thirty-three million, thirteen thousand, seven hundred seventy-eight".