1468831438 has 4 divisors (see below), whose sum is σ = 2203247160. Its totient is φ = 734415718.

The previous prime is 1468831417. The next prime is 1468831477. The reversal of 1468831438 is 8341388641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8341388641 = 433 ⋅19264177.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367207858 + ... + 367207861.

It is an arithmetic number, because the mean of its divisors is an integer number (550811790).

Almost surely, 2^1468831438 is an apocalyptic number.

1468831438 is a deficient number, since it is larger than the sum of its proper divisors (734415722).

1468831438 is an equidigital number, since it uses as much as digits as its factorization.

1468831438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734415721.

The product of its digits is 442368, while the sum is 46.

The square root of 1468831438 is about 38325.3367630345. The cubic root of 1468831438 is about 1136.7299946466.

The spelling of 1468831438 in words is "one billion, four hundred sixty-eight million, eight hundred thirty-one thousand, four hundred thirty-eight".