1321926741418 has 8 divisors (see below), whose sum is σ = 2099530707012. Its totient is φ = 622083172416.

The previous prime is 1321926741283. The next prime is 1321926741451. The reversal of 1321926741418 is 8141476291231.

It can be written as a sum of positive squares in 2 ways, for example, as 1283922408609 + 38004332809 = 1133103^2 + 194947^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440099105 + ... + 19440099172.

Almost surely, 2^{1321926741418} is an apocalyptic number.

1321926741418 is a deficient number, since it is larger than the sum of its proper divisors (777603965594).

1321926741418 is a wasteful number, since it uses less digits than its factorization.

1321926741418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38880198296.

The product of its digits is 580608, while the sum is 49.

The spelling of 1321926741418 in words is "one trillion, three hundred twenty-one billion, nine hundred twenty-six million, seven hundred forty-one thousand, four hundred eighteen".