42638759196293 has 32 divisors (see below), whose sum is σ = 48523932119040. Its totient is φ = 37169298429120.

The previous prime is 42638759196259. The next prime is 42638759196301. The reversal of 42638759196293 is 39269195783624.

It is a happy number.

It is not a de Polignac number, because 42638759196293 - 2¹⁶ = 42638759130757 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 42638759196293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42638759196223) 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, 999879230 + ... + 999921872.

It is an arithmetic number, because the mean of its divisors is an integer number (1516372878720).

Almost surely, 2^{42638759196293} is an apocalyptic number.

It is an amenable number.

42638759196293 is a deficient number, since it is larger than the sum of its proper divisors (5885172922747).

42638759196293 is a wasteful number, since it uses less digits than its factorization.

42638759196293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85089.

The product of its digits is 1058158080, while the sum is 74.

The spelling of 42638759196293 in words is "forty-two trillion, six hundred thirty-eight billion, seven hundred fifty-nine million, one hundred ninety-six thousand, two hundred ninety-three".