68536949241 has 4 divisors (see below), whose sum is σ = 91382598992. Its totient is φ = 45691299492.

The previous prime is 68536949219. The next prime is 68536949309. The reversal of 68536949241 is 14294963586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68536949241 - 2¹³ = 68536941049 is a prime.

It is a super-2 number, since 2×68536949241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68536945241) 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, 11422824871 + ... + 11422824876.

It is an arithmetic number, because the mean of its divisors is an integer number (22845649748).

Almost surely, 2^68536949241 is an apocalyptic number.

It is an amenable number.

68536949241 is a deficient number, since it is larger than the sum of its proper divisors (22845649751).

68536949241 is a wasteful number, since it uses less digits than its factorization.

68536949241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22845649750.

The product of its digits is 11197440, while the sum is 57.

The spelling of 68536949241 in words is "sixty-eight billion, five hundred thirty-six million, nine hundred forty-nine thousand, two hundred forty-one".