42629609437 has 2 divisors, whose sum is σ = 42629609438. Its totient is φ = 42629609436.

The previous prime is 42629609387. The next prime is 42629609443. The reversal of 42629609437 is 73490692624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39201624036 + 3427985401 = 197994^2 + 58549^2 .

It is a cyclic number.

It is not a de Polignac number, because 42629609437 - 2¹¹ = 42629607389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42629609447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21314804718 + 21314804719.

It is an arithmetic number, because the mean of its divisors is an integer number (21314804719).

Almost surely, 2^42629609437 is an apocalyptic number.

It is an amenable number.

42629609437 is a deficient number, since it is larger than the sum of its proper divisors (1).

42629609437 is an equidigital number, since it uses as much as digits as its factorization.

42629609437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 42629609437 in words is "forty-two billion, six hundred twenty-nine million, six hundred nine thousand, four hundred thirty-seven".