4218139089897 has 16 divisors (see below), whose sum is σ = 5772419069760. Its totient is φ = 2738239212800.

The previous prime is 4218139089817. The next prime is 4218139089961. The reversal of 4218139089897 is 7989809318124.

It is a cyclic number.

It is not a de Polignac number, because 4218139089897 - 2¹⁶ = 4218139024361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4218139089817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32847447 + ... + 32975612.

It is an arithmetic number, because the mean of its divisors is an integer number (360776191860).

Almost surely, 2^{4218139089897} is an apocalyptic number.

It is an amenable number.

4218139089897 is a deficient number, since it is larger than the sum of its proper divisors (1554279979863).

4218139089897 is a wasteful number, since it uses less digits than its factorization.

4218139089897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65823624.

The product of its (nonzero) digits is 62705664, while the sum is 69.

The spelling of 4218139089897 in words is "four trillion, two hundred eighteen billion, one hundred thirty-nine million, eighty-nine thousand, eight hundred ninety-seven".