6457334421338 has 16 divisors (see below), whose sum is σ = 9704636225856. Its totient is φ = 3222458262720.

The previous prime is 6457334421331. The next prime is 6457334421347. The reversal of 6457334421338 is 8331244337546.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6457334421338.

It is not an unprimeable number, because it can be changed into a prime (6457334421331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374545 + ... + 5661387.

It is an arithmetic number, because the mean of its divisors is an integer number (606539764116).

Almost surely, 2^{6457334421338} is an apocalyptic number.

6457334421338 is a deficient number, since it is larger than the sum of its proper divisors (3247301804518).

6457334421338 is a wasteful number, since it uses less digits than its factorization.

6457334421338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291669.

The product of its digits is 17418240, while the sum is 53.

The spelling of 6457334421338 in words is "six trillion, four hundred fifty-seven billion, three hundred thirty-four million, four hundred twenty-one thousand, three hundred thirty-eight".