4245880644697 has 8 divisors (see below), whose sum is σ = 4277129056200. Its totient is φ = 4214668934400.

The previous prime is 4245880644683. The next prime is 4245880644701. The reversal of 4245880644697 is 7964460885424.

It can be written as a sum of positive squares in 4 ways, for example, as 3417688521 + 4242462956176 = 58461^2 + 2059724^2 .

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-4245880644697 is a prime.

It is a super-2 number, since 2×4245880644697² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4245880644997) 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, 8943054 + ... + 9405847.

It is an arithmetic number, because the mean of its divisors is an integer number (534641132025).

Almost surely, 2^{4245880644697} is an apocalyptic number.

It is an amenable number.

4245880644697 is a deficient number, since it is larger than the sum of its proper divisors (31248411503).

4245880644697 is a wasteful number, since it uses less digits than its factorization.

4245880644697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18350603.

The product of its (nonzero) digits is 371589120, while the sum is 67.

The spelling of 4245880644697 in words is "four trillion, two hundred forty-five billion, eight hundred eighty million, six hundred forty-four thousand, six hundred ninety-seven".