42715375457 has 2 divisors, whose sum is σ = 42715375458. Its totient is φ = 42715375456.

The previous prime is 42715375429. The next prime is 42715375481. The reversal of 42715375457 is 75457351724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36090880576 + 6624494881 = 189976^2 + 81391^2 .

It is a cyclic number.

It is not a de Polignac number, because 42715375457 - 2²² = 42711181153 is a prime.

It is not a weakly prime, because it can be changed into another prime (42715375427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21357687728 + 21357687729.

It is an arithmetic number, because the mean of its divisors is an integer number (21357687729).

Almost surely, 2^42715375457 is an apocalyptic number.

It is an amenable number.

42715375457 is a deficient number, since it is larger than the sum of its proper divisors (1).

42715375457 is an equidigital number, since it uses as much as digits as its factorization.

42715375457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116000, while the sum is 50.

The spelling of 42715375457 in words is "forty-two billion, seven hundred fifteen million, three hundred seventy-five thousand, four hundred fifty-seven".