6438241274 has 4 divisors (see below), whose sum is σ = 9657361914. Its totient is φ = 3219120636.

The previous prime is 6438241261. The next prime is 6438241283. The reversal of 6438241274 is 4721428346.

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., 4559625625 + 1878615649 = 67525^2 + 43343^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609560317 + ... + 1609560320.

Almost surely, 2^6438241274 is an apocalyptic number.

6438241274 is a deficient number, since it is larger than the sum of its proper divisors (3219120640).

6438241274 is a wasteful number, since it uses less digits than its factorization.

6438241274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219120639.

The product of its digits is 258048, while the sum is 41.

The square root of 6438241274 is about 80238.6519951575. The cubic root of 6438241274 is about 1860.3261148232.

The spelling of 6438241274 in words is "six billion, four hundred thirty-eight million, two hundred forty-one thousand, two hundred seventy-four".