42993675121 has 8 divisors (see below), whose sum is σ = 45550723680. Its totient is φ = 40439738688.

The previous prime is 42993675079. The next prime is 42993675139. The reversal of 42993675121 is 12157639924.

42993675121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42993675121 - 2¹³ = 42993666929 is a prime.

It is a super-2 number, since 2×42993675121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42993675161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749551 + ... + 804868.

It is an arithmetic number, because the mean of its divisors is an integer number (5693840460).

Almost surely, 2^42993675121 is an apocalyptic number.

It is an amenable number.

42993675121 is a deficient number, since it is larger than the sum of its proper divisors (2557048559).

42993675121 is a wasteful number, since it uses less digits than its factorization.

42993675121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556063.

The product of its digits is 816480, while the sum is 49.

The spelling of 42993675121 in words is "forty-two billion, nine hundred ninety-three million, six hundred seventy-five thousand, one hundred twenty-one".