68438004010773 has 16 divisors (see below), whose sum is σ = 91318339569600. Its totient is φ = 45591504900480.

The previous prime is 68438004010771. The next prime is 68438004010777. The reversal of 68438004010773 is 37701040083486.

It is a happy number.

It is not a de Polignac number, because 68438004010773 - 2¹ = 68438004010771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68438004010771) 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, 106378438 + ... + 107019848.

It is an arithmetic number, because the mean of its divisors is an integer number (5707396223100).

Almost surely, 2^{68438004010773} is an apocalyptic number.

It is an amenable number.

68438004010773 is a deficient number, since it is larger than the sum of its proper divisors (22880335558827).

68438004010773 is a wasteful number, since it uses less digits than its factorization.

68438004010773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667732.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 68438004010773 in words is "sixty-eight trillion, four hundred thirty-eight billion, four million, ten thousand, seven hundred seventy-three".