1313833481938 has 8 divisors (see below), whose sum is σ = 1977087041280. Its totient is φ = 654804468180.

The previous prime is 1313833481927. The next prime is 1313833481969. The reversal of 1313833481938 is 8391843383131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1313833481938² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056135618 + ... + 1056136861.

It is an arithmetic number, because the mean of its divisors is an integer number (247135880160).

Almost surely, 2^{1313833481938} is an apocalyptic number.

1313833481938 is a deficient number, since it is larger than the sum of its proper divisors (663253559342).

1313833481938 is a wasteful number, since it uses less digits than its factorization.

1313833481938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112272792.

The product of its digits is 4478976, while the sum is 55.

The spelling of 1313833481938 in words is "one trillion, three hundred thirteen billion, eight hundred thirty-three million, four hundred eighty-one thousand, nine hundred thirty-eight".