814123321418 has 32 divisors (see below), whose sum is σ = 1351741305600. Its totient is φ = 364638101760.

The previous prime is 814123321409. The next prime is 814123321423.

It is a happy number.

814123321418 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×814123321418² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443071 + ... + 1926317.

It is an arithmetic number, because the mean of its divisors is an integer number (42241915800).

Almost surely, 2^814123321418 is an apocalyptic number.

814123321418 is a deficient number, since it is larger than the sum of its proper divisors (537617984182).

814123321418 is a wasteful number, since it uses less digits than its factorization.

814123321418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484382.

The product of its digits is 36864, while the sum is 38.

The spelling of 814123321418 in words is "eight hundred fourteen billion, one hundred twenty-three million, three hundred twenty-one thousand, four hundred eighteen".