4258797319721 has 16 divisors (see below), whose sum is σ = 4949796201600. Its totient is φ = 3588450864768.

The previous prime is 4258797319717. The next prime is 4258797319729. The reversal of 4258797319721 is 1279137978524.

It is not a de Polignac number, because 4258797319721 - 2² = 4258797319717 is a prime.

It is a super-2 number, since 2×4258797319721² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4258797319729) 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, 28765541 + ... + 28913213.

It is an arithmetic number, because the mean of its divisors is an integer number (309362262600).

Almost surely, 2^{4258797319721} is an apocalyptic number.

It is an amenable number.

4258797319721 is a deficient number, since it is larger than the sum of its proper divisors (690998881879).

4258797319721 is a wasteful number, since it uses less digits than its factorization.

4258797319721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217568.

The product of its digits is 53343360, while the sum is 65.

The spelling of 4258797319721 in words is "four trillion, two hundred fifty-eight billion, seven hundred ninety-seven million, three hundred nineteen thousand, seven hundred twenty-one".