6446145374 has 32 divisors (see below), whose sum is σ = 10295527680. Its totient is φ = 3016493568.

The previous prime is 6446145367. The next prime is 6446145397. The reversal of 6446145374 is 4735416446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6465044 + ... + 6466040.

It is an arithmetic number, because the mean of its divisors is an integer number (321735240).

Almost surely, 2^6446145374 is an apocalyptic number.

6446145374 is a deficient number, since it is larger than the sum of its proper divisors (3849382306).

6446145374 is a wasteful number, since it uses less digits than its factorization.

6446145374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its digits is 967680, while the sum is 44.

The square root of 6446145374 is about 80287.8905813324. The cubic root of 6446145374 is about 1861.0870985436.

The spelling of 6446145374 in words is "six billion, four hundred forty-six million, one hundred forty-five thousand, three hundred seventy-four".