1381926392518 has 8 divisors (see below), whose sum is σ = 2369016672912. Its totient is φ = 592254168216.

The previous prime is 1381926392503. The next prime is 1381926392519. The reversal of 1381926392518 is 8152936291831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381926392519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49354514005 + ... + 49354514032.

It is an arithmetic number, because the mean of its divisors is an integer number (296127084114).

Almost surely, 2^{1381926392518} is an apocalyptic number.

1381926392518 is a deficient number, since it is larger than the sum of its proper divisors (987090280394).

1381926392518 is an equidigital number, since it uses as much as digits as its factorization.

1381926392518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98709028046.

The product of its digits is 5598720, while the sum is 58.

The spelling of 1381926392518 in words is "one trillion, three hundred eighty-one billion, nine hundred twenty-six million, three hundred ninety-two thousand, five hundred eighteen".