68252980753 has 4 divisors (see below), whose sum is σ = 68267418340. Its totient is φ = 68238543168.

The previous prime is 68252980693. The next prime is 68252980781. The reversal of 68252980753 is 35708925286.

68252980753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35708925286 = 2 ⋅17854462643.

It can be written as a sum of positive squares in 2 ways, for example, as 7528685824 + 60724294929 = 86768^2 + 246423^2 .

It is a cyclic number.

It is not a de Polignac number, because 68252980753 - 2²¹ = 68250883601 is a prime.

It is a super-3 number, since 3×68252980753³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68252980694 and 68252980703.

It is not an unprimeable number, because it can be changed into a prime (68252960753) 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, 7211700 + ... + 7221157.

It is an arithmetic number, because the mean of its divisors is an integer number (17066854585).

Almost surely, 2^68252980753 is an apocalyptic number.

It is an amenable number.

68252980753 is a deficient number, since it is larger than the sum of its proper divisors (14437587).

68252980753 is a wasteful number, since it uses less digits than its factorization.

68252980753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437586.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 68252980753 in words is "sixty-eight billion, two hundred fifty-two million, nine hundred eighty thousand, seven hundred fifty-three".