42667048757 has 2 divisors, whose sum is σ = 42667048758. Its totient is φ = 42667048756.

The previous prime is 42667048751. The next prime is 42667048769. The reversal of 42667048757 is 75784076624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39346292881 + 3320755876 = 198359^2 + 57626^2 .

It is a cyclic number.

It is not a de Polignac number, because 42667048757 - 2¹⁰ = 42667047733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42667048751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21333524378 + 21333524379.

It is an arithmetic number, because the mean of its divisors is an integer number (21333524379).

Almost surely, 2^42667048757 is an apocalyptic number.

It is an amenable number.

42667048757 is a deficient number, since it is larger than the sum of its proper divisors (1).

42667048757 is an equidigital number, since it uses as much as digits as its factorization.

42667048757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 42667048757 in words is "forty-two billion, six hundred sixty-seven million, forty-eight thousand, seven hundred fifty-seven".