68642420241 has 8 divisors (see below), whose sum is σ = 91815634720. Its totient is φ = 45615409632.

The previous prime is 68642420233. The next prime is 68642420243. The reversal of 68642420241 is 14202424686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68642420241 - 2³ = 68642420233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68642420241.

It is not an unprimeable number, because it can be changed into a prime (68642420243) 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, 36549871 + ... + 36551748.

It is an arithmetic number, because the mean of its divisors is an integer number (11476954340).

Almost surely, 2^68642420241 is an apocalyptic number.

It is an amenable number.

68642420241 is a deficient number, since it is larger than the sum of its proper divisors (23173214479).

68642420241 is a wasteful number, since it uses less digits than its factorization.

68642420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73101935.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 68642420241 in words is "sixty-eight billion, six hundred forty-two million, four hundred twenty thousand, two hundred forty-one".