6442874165272 has 8 divisors (see below), whose sum is σ = 12080389059900. Its totient is φ = 3221437082632.

The previous prime is 6442874165267. The next prime is 6442874165281. The reversal of 6442874165272 is 2725614782446.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402679635322 + ... + 402679635337.

Almost surely, 2^{6442874165272} is an apocalyptic number.

It is an amenable number.

6442874165272 is a deficient number, since it is larger than the sum of its proper divisors (5637514894628).

6442874165272 is a wasteful number, since it uses less digits than its factorization.

6442874165272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805359270665 (or 805359270661 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 58.

The spelling of 6442874165272 in words is "six trillion, four hundred forty-two billion, eight hundred seventy-four million, one hundred sixty-five thousand, two hundred seventy-two".