68403134526735 has 32 divisors (see below), whose sum is σ = 110085218877888. Its totient is φ = 36268299555840.

The previous prime is 68403134526733. The next prime is 68403134526743. The reversal of 68403134526735 is 53762543130486.

It is not a de Polignac number, because 68403134526735 - 2¹ = 68403134526733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68403134526731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37125075 + ... + 38923995.

It is an arithmetic number, because the mean of its divisors is an integer number (3440163089934).

Almost surely, 2^{68403134526735} is an apocalyptic number.

68403134526735 is a deficient number, since it is larger than the sum of its proper divisors (41682084351153).

68403134526735 is a wasteful number, since it uses less digits than its factorization.

68403134526735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813755.

The product of its (nonzero) digits is 43545600, while the sum is 57.

The spelling of 68403134526735 in words is "sixty-eight trillion, four hundred three billion, one hundred thirty-four million, five hundred twenty-six thousand, seven hundred thirty-five".