68966132041 has 4 divisors (see below), whose sum is σ = 69035306692. Its totient is φ = 68896957392.

The previous prime is 68966131979. The next prime is 68966132051. The reversal of 68966132041 is 14023166986.

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 23871486016 + 45094646025 = 154504^2 + 212355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68966132041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68966131982 and 68966132000.

It is not an unprimeable number, because it can be changed into a prime (68966132051) 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, 34585830 + ... + 34587823.

It is an arithmetic number, because the mean of its divisors is an integer number (17258826673).

Almost surely, 2^68966132041 is an apocalyptic number.

It is an amenable number.

68966132041 is a deficient number, since it is larger than the sum of its proper divisors (69174651).

68966132041 is an equidigital number, since it uses as much as digits as its factorization.

68966132041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69174650.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 68966132041 in words is "sixty-eight billion, nine hundred sixty-six million, one hundred thirty-two thousand, forty-one".