42693639126 has 8 divisors (see below), whose sum is σ = 85387278264. Its totient is φ = 14231213040.

The previous prime is 42693639101. The next prime is 42693639161. The reversal of 42693639126 is 62193639624.

It is a happy number.

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

42693639126 is an admirable number.

It is a super-2 number, since 2×42693639126² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3557803255 + ... + 3557803266.

It is an arithmetic number, because the mean of its divisors is an integer number (10673409783).

Almost surely, 2^42693639126 is an apocalyptic number.

42693639126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42693639126 is a wasteful number, since it uses less digits than its factorization.

42693639126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115606526.

The product of its digits is 2519424, while the sum is 51.

The spelling of 42693639126 in words is "forty-two billion, six hundred ninety-three million, six hundred thirty-nine thousand, one hundred twenty-six".