42321292061 has 4 divisors (see below), whose sum is σ = 42496899324. Its totient is φ = 42145684800.

The previous prime is 42321292051. The next prime is 42321292063. The reversal of 42321292061 is 16029212324.

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 39166784836 + 3154507225 = 197906^2 + 56165^2 .

It is a cyclic number.

It is not a de Polignac number, because 42321292061 - 2⁶ = 42321291997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321292063) 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, 87803270 + ... + 87803751.

It is an arithmetic number, because the mean of its divisors is an integer number (10624224831).

Almost surely, 2^42321292061 is an apocalyptic number.

It is an amenable number.

42321292061 is a deficient number, since it is larger than the sum of its proper divisors (175607263).

42321292061 is a wasteful number, since it uses less digits than its factorization.

42321292061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175607262.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 42321292061 in words is "forty-two billion, three hundred twenty-one million, two hundred ninety-two thousand, sixty-one".