14581357882381 has 4 divisors (see below), whose sum is σ = 14582197018012. Its totient is φ = 14580518746752.

The previous prime is 14581357882327. The next prime is 14581357882411. The reversal of 14581357882381 is 18328875318541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4803697926756 + 9777659955625 = 2191734^2 + 3126925^2 .

It is a cyclic number.

It is not a de Polignac number, because 14581357882381 - 2¹¹ = 14581357880333 is a prime.

It is a super-2 number, since 2×14581357882381² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14581357082381) 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, 419541750 + ... + 419576503.

It is an arithmetic number, because the mean of its divisors is an integer number (3645549254503).

Almost surely, 2^{14581357882381} is an apocalyptic number.

It is an amenable number.

14581357882381 is a deficient number, since it is larger than the sum of its proper divisors (839135631).

14581357882381 is an equidigital number, since it uses as much as digits as its factorization.

14581357882381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839135630.

The product of its digits is 51609600, while the sum is 64.

The spelling of 14581357882381 in words is "fourteen trillion, five hundred eighty-one billion, three hundred fifty-seven million, eight hundred eighty-two thousand, three hundred eighty-one".