68452258391 has 8 divisors (see below), whose sum is σ = 74678713344. Its totient is φ = 62226390520.

The previous prime is 68452258367. The next prime is 68452258393. The reversal of 68452258391 is 19385225486.

It is a happy number.

68452258391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-68452258391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68452258393) 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, 117770 + ... + 388296.

It is an arithmetic number, because the mean of its divisors is an integer number (9334839168).

Almost surely, 2^68452258391 is an apocalyptic number.

68452258391 is a deficient number, since it is larger than the sum of its proper divisors (6226454953).

68452258391 is a wasteful number, since it uses less digits than its factorization.

68452258391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293541.

The product of its digits is 4147200, while the sum is 53.

The spelling of 68452258391 in words is "sixty-eight billion, four hundred fifty-two million, two hundred fifty-eight thousand, three hundred ninety-one".