68405237337 has 16 divisors (see below), whose sum is σ = 92712453120. Its totient is φ = 44853824400.

The previous prime is 68405237309. The next prime is 68405237353. The reversal of 68405237337 is 73373250486.

It is not a de Polignac number, because 68405237337 - 2¹² = 68405233241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68405237357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293989 + ... + 472482.

It is an arithmetic number, because the mean of its divisors is an integer number (5794528320).

Almost surely, 2^68405237337 is an apocalyptic number.

It is an amenable number.

68405237337 is a deficient number, since it is larger than the sum of its proper divisors (24307215783).

68405237337 is a wasteful number, since it uses less digits than its factorization.

68405237337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766964.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 68405237337 in words is "sixty-eight billion, four hundred five million, two hundred thirty-seven thousand, three hundred thirty-seven".