1408431684314 has 4 divisors (see below), whose sum is σ = 2112647526474. Its totient is φ = 704215842156.

The previous prime is 1408431684311. The next prime is 1408431684323. The reversal of 1408431684314 is 4134861348041.

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

It can be written as a sum of positive squares in only one way, i.e., 925799974225 + 482631710089 = 962185^2 + 694717^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1408431684311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352107921077 + ... + 352107921080.

Almost surely, 2^{1408431684314} is an apocalyptic number.

1408431684314 is a deficient number, since it is larger than the sum of its proper divisors (704215842160).

1408431684314 is an equidigital number, since it uses as much as digits as its factorization.

1408431684314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704215842159.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 1408431684314 in words is "one trillion, four hundred eight billion, four hundred thirty-one million, six hundred eighty-four thousand, three hundred fourteen".