3642445891297 has 8 divisors (see below), whose sum is σ = 3772338331392. Its totient is φ = 3514736517600.

The previous prime is 3642445891277. The next prime is 3642445891349. The reversal of 3642445891297 is 7921985442463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3642445891297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642445891207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545763204 + ... + 545769877.

It is an arithmetic number, because the mean of its divisors is an integer number (471542291424).

Almost surely, 2^{3642445891297} is an apocalyptic number.

It is an amenable number.

3642445891297 is a deficient number, since it is larger than the sum of its proper divisors (129892440095).

3642445891297 is a wasteful number, since it uses less digits than its factorization.

3642445891297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091533199.

The product of its digits is 104509440, while the sum is 64.

The spelling of 3642445891297 in words is "three trillion, six hundred forty-two billion, four hundred forty-five million, eight hundred ninety-one thousand, two hundred ninety-seven".