42971175461 has 4 divisors (see below), whose sum is σ = 42979128192. Its totient is φ = 42963222732.

The previous prime is 42971175427. The next prime is 42971175487. The reversal of 42971175461 is 16457117924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42971175461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42971175421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968255 + ... + 3979068.

It is an arithmetic number, because the mean of its divisors is an integer number (10744782048).

Almost surely, 2^42971175461 is an apocalyptic number.

It is an amenable number.

42971175461 is a deficient number, since it is larger than the sum of its proper divisors (7952731).

42971175461 is an equidigital number, since it uses as much as digits as its factorization.

42971175461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952730.

The product of its digits is 423360, while the sum is 47.

The spelling of 42971175461 in words is "forty-two billion, nine hundred seventy-one million, one hundred seventy-five thousand, four hundred sixty-one".