6442450897 has 8 divisors (see below), whose sum is σ = 6896469600. Its totient is φ = 5999926464.

The previous prime is 6442450879. The next prime is 6442450919. The reversal of 6442450897 is 7980542446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6442450897 - 2¹⁹ = 6441926609 is a prime.

It is a super-2 number, since 2×6442450897² = 83010347120512209218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6442450897.

It is not an unprimeable number, because it can be changed into a prime (6442450697) 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, 2872408 + ... + 2874649.

It is an arithmetic number, because the mean of its divisors is an integer number (862058700).

Almost surely, 2^6442450897 is an apocalyptic number.

It is an amenable number.

6442450897 is a deficient number, since it is larger than the sum of its proper divisors (454018703).

6442450897 is a wasteful number, since it uses less digits than its factorization.

6442450897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747135.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 6442450897 is about 80264.8795987386. The cubic root of 6442450897 is about 1860.7314825352.

The spelling of 6442450897 in words is "six billion, four hundred forty-two million, four hundred fifty thousand, eight hundred ninety-seven".