42522634673 has 2 divisors, whose sum is σ = 42522634674. Its totient is φ = 42522634672.

The previous prime is 42522634607. The next prime is 42522634681. The reversal of 42522634673 is 37643622524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32778378304 + 9744256369 = 181048^2 + 98713^2 .

It is a cyclic number.

It is not a de Polignac number, because 42522634673 - 2⁸ = 42522634417 is a prime.

It is not a weakly prime, because it can be changed into another prime (42522634603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261317336 + 21261317337.

It is an arithmetic number, because the mean of its divisors is an integer number (21261317337).

Almost surely, 2^42522634673 is an apocalyptic number.

It is an amenable number.

42522634673 is a deficient number, since it is larger than the sum of its proper divisors (1).

42522634673 is an equidigital number, since it uses as much as digits as its factorization.

42522634673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 44.

The spelling of 42522634673 in words is "forty-two billion, five hundred twenty-two million, six hundred thirty-four thousand, six hundred seventy-three".