42313789757 has 2 divisors, whose sum is σ = 42313789758. Its totient is φ = 42313789756.

The previous prime is 42313789717. The next prime is 42313789783. The reversal of 42313789757 is 75798731324.

It is a happy number.

42313789757 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., 40896568441 + 1417221316 = 202229^2 + 37646^2 .

It is a cyclic number.

It is not a de Polignac number, because 42313789757 - 2²⁸ = 42045354301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42313789717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156894878 + 21156894879.

It is an arithmetic number, because the mean of its divisors is an integer number (21156894879).

Almost surely, 2^42313789757 is an apocalyptic number.

It is an amenable number.

42313789757 is a deficient number, since it is larger than the sum of its proper divisors (1).

42313789757 is an equidigital number, since it uses as much as digits as its factorization.

42313789757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 56.

The spelling of 42313789757 in words is "forty-two billion, three hundred thirteen million, seven hundred eighty-nine thousand, seven hundred fifty-seven".