6442456175 has 6 divisors (see below), whose sum is σ = 7988645688. Its totient is φ = 5153964920.

The previous prime is 6442456133. The next prime is 6442456183. The reversal of 6442456175 is 5716542446.

It is not a de Polignac number, because 6442456175 - 2¹⁴ = 6442439791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128849099 + ... + 128849148.

It is an arithmetic number, because the mean of its divisors is an integer number (1331440948).

Almost surely, 2^6442456175 is an apocalyptic number.

6442456175 is a deficient number, since it is larger than the sum of its proper divisors (1546189513).

6442456175 is a wasteful number, since it uses less digits than its factorization.

6442456175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257698257 (or 257698252 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 6442456175 is about 80264.9124773708. The cubic root of 6442456175 is about 1860.7319906720.

The spelling of 6442456175 in words is "six billion, four hundred forty-two million, four hundred fifty-six thousand, one hundred seventy-five".