42620289947959 has 2 divisors, whose sum is σ = 42620289947960. Its totient is φ = 42620289947958.

The previous prime is 42620289947953. The next prime is 42620289948007. The reversal of 42620289947959 is 95974998202624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42620289947959 - 2¹³ = 42620289939767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42620289947953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21310144973979 + 21310144973980.

It is an arithmetic number, because the mean of its divisors is an integer number (21310144973980).

Almost surely, 2^{42620289947959} is an apocalyptic number.

42620289947959 is a deficient number, since it is larger than the sum of its proper divisors (1).

42620289947959 is an equidigital number, since it uses as much as digits as its factorization.

42620289947959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1410877440, while the sum is 76.

The spelling of 42620289947959 in words is "forty-two trillion, six hundred twenty billion, two hundred eighty-nine million, nine hundred forty-seven thousand, nine hundred fifty-nine".