42375487757 has 2 divisors, whose sum is σ = 42375487758. Its totient is φ = 42375487756.

The previous prime is 42375487643. The next prime is 42375487769. The reversal of 42375487757 is 75778457324.

42375487757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42279173161 + 96314596 = 205619^2 + 9814^2 .

It is a cyclic number.

It is not a de Polignac number, because 42375487757 - 2⁸ = 42375487501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42375487696 and 42375487705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42375487057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187743878 + 21187743879.

It is an arithmetic number, because the mean of its divisors is an integer number (21187743879).

Almost surely, 2^42375487757 is an apocalyptic number.

It is an amenable number.

42375487757 is a deficient number, since it is larger than the sum of its proper divisors (1).

42375487757 is an equidigital number, since it uses as much as digits as its factorization.

42375487757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46099200, while the sum is 59.

The spelling of 42375487757 in words is "forty-two billion, three hundred seventy-five million, four hundred eighty-seven thousand, seven hundred fifty-seven".