42133236662171 has 4 divisors (see below), whose sum is σ = 43965116517072. Its totient is φ = 40301356807272.

The previous prime is 42133236662159. The next prime is 42133236662183. The reversal of 42133236662171 is 17126663233124.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42133236662159) and next prime (42133236662183).

It is not a de Polignac number, because 42133236662171 - 2⁶ = 42133236662107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133236662071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915939927416 + ... + 915939927461.

It is an arithmetic number, because the mean of its divisors is an integer number (10991279129268).

Almost surely, 2^{42133236662171} is an apocalyptic number.

42133236662171 is a deficient number, since it is larger than the sum of its proper divisors (1831879854901).

42133236662171 is a wasteful number, since it uses less digits than its factorization.

42133236662171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831879854900.

The product of its digits is 1306368, while the sum is 47.

Adding to 42133236662171 its reverse (17126663233124), we get a palindrome (59259899895295).

The spelling of 42133236662171 in words is "forty-two trillion, one hundred thirty-three billion, two hundred thirty-six million, six hundred sixty-two thousand, one hundred seventy-one".