42005620141631 has 2 divisors, whose sum is σ = 42005620141632. Its totient is φ = 42005620141630.

The previous prime is 42005620141591. The next prime is 42005620141649. The reversal of 42005620141631 is 13614102650024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42005620141631 - 2³⁴ = 41988440272447 is a prime.

It is a super-2 number, since 2×42005620141631² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42005620141591 and 42005620141600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42005620141531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002810070815 + 21002810070816.

It is an arithmetic number, because the mean of its divisors is an integer number (21002810070816).

Almost surely, 2^{42005620141631} is an apocalyptic number.

42005620141631 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005620141631 is an equidigital number, since it uses as much as digits as its factorization.

42005620141631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 42005620141631 its reverse (13614102650024), we get a palindrome (55619722791655).

The spelling of 42005620141631 in words is "forty-two trillion, five billion, six hundred twenty million, one hundred forty-one thousand, six hundred thirty-one".