68452930818733 has 4 divisors (see below), whose sum is σ = 68461755492060. Its totient is φ = 68444106145408.

The previous prime is 68452930818707. The next prime is 68452930818817. The reversal of 68452930818733 is 33781803925486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53894715055204 + 14558215763529 = 7341302^2 + 3815523^2 .

It is a cyclic number.

It is not a de Polignac number, because 68452930818733 - 2⁹ = 68452930818221 is a prime.

It is a super-2 number, since 2×68452930818733² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68452930818703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412325028 + ... + 4412340541.

It is an arithmetic number, because the mean of its divisors is an integer number (17115438873015).

It is a 1-persistent number, because it is pandigital, but 2⋅68452930818733 = 136905861637466 is not.

Almost surely, 2^{68452930818733} is an apocalyptic number.

It is an amenable number.

68452930818733 is a deficient number, since it is larger than the sum of its proper divisors (8824673327).

68452930818733 is an equidigital number, since it uses as much as digits as its factorization.

68452930818733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824673326.

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 68452930818733 in words is "sixty-eight trillion, four hundred fifty-two billion, nine hundred thirty million, eight hundred eighteen thousand, seven hundred thirty-three".