4259697361921 has 16 divisors (see below), whose sum is σ = 4595160898944. Its totient is φ = 3938709164544.

The previous prime is 4259697361859. The next prime is 4259697361993. The reversal of 4259697361921 is 1291637969524.

It is a cyclic number.

It is not a de Polignac number, because 4259697361921 - 2⁷ = 4259697361793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4259697367921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22105486 + ... + 22297351.

It is an arithmetic number, because the mean of its divisors is an integer number (287197556184).

Almost surely, 2^{4259697361921} is an apocalyptic number.

It is an amenable number.

4259697361921 is a deficient number, since it is larger than the sum of its proper divisors (335463537023).

4259697361921 is a wasteful number, since it uses less digits than its factorization.

4259697361921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44403000.

The product of its digits is 44089920, while the sum is 64.

The spelling of 4259697361921 in words is "four trillion, two hundred fifty-nine billion, six hundred ninety-seven million, three hundred sixty-one thousand, nine hundred twenty-one".