42141351205 has 4 divisors (see below), whose sum is σ = 50569621452. Its totient is φ = 33713080960.

The previous prime is 42141351179. The next prime is 42141351227. The reversal of 42141351205 is 50215314124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28601236161 + 13540115044 = 169119^2 + 116362^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42141351205 is a prime.

It is a Duffinian number.

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, 4214135116 + ... + 4214135125.

It is an arithmetic number, because the mean of its divisors is an integer number (12642405363).

Almost surely, 2^42141351205 is an apocalyptic number.

It is an amenable number.

42141351205 is a deficient number, since it is larger than the sum of its proper divisors (8428270247).

42141351205 is an equidigital number, since it uses as much as digits as its factorization.

42141351205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8428270246.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 42141351205 its reverse (50215314124), we get a palindrome (92356665329).

The spelling of 42141351205 in words is "forty-two billion, one hundred forty-one million, three hundred fifty-one thousand, two hundred five".