42383357557 has 2 divisors, whose sum is σ = 42383357558. Its totient is φ = 42383357556.

The previous prime is 42383357491. The next prime is 42383357651. The reversal of 42383357557 is 75575338324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37964963716 + 4418393841 = 194846^2 + 66471^2 .

It is a cyclic number.

It is not a de Polignac number, because 42383357557 - 2²³ = 42374968949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42383354557) 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, 21191678778 + 21191678779.

It is an arithmetic number, because the mean of its divisors is an integer number (21191678779).

Almost surely, 2^42383357557 is an apocalyptic number.

It is an amenable number.

42383357557 is a deficient number, since it is larger than the sum of its proper divisors (1).

42383357557 is an equidigital number, since it uses as much as digits as its factorization.

42383357557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584000, while the sum is 52.

The spelling of 42383357557 in words is "forty-two billion, three hundred eighty-three million, three hundred fifty-seven thousand, five hundred fifty-seven".