6445073914 has 16 divisors (see below), whose sum is σ = 9727731936. Its totient is φ = 3202542000.

The previous prime is 6445073909. The next prime is 6445073927. The reversal of 6445073914 is 4193705446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284929 + ... + 306715.

It is an arithmetic number, because the mean of its divisors is an integer number (607983246).

Almost surely, 2^6445073914 is an apocalyptic number.

6445073914 is a deficient number, since it is larger than the sum of its proper divisors (3282658022).

6445073914 is a wasteful number, since it uses less digits than its factorization.

6445073914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 6445073914 is about 80281.2176913131. The cubic root of 6445073914 is about 1860.9839779571.

The spelling of 6445073914 in words is "six billion, four hundred forty-five million, seventy-three thousand, nine hundred fourteen".