42748652671 has 2 divisors, whose sum is σ = 42748652672. Its totient is φ = 42748652670.

The previous prime is 42748652651. The next prime is 42748652711. The reversal of 42748652671 is 17625684724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42748652671 - 2¹³ = 42748644479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42748652651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21374326335 + 21374326336.

It is an arithmetic number, because the mean of its divisors is an integer number (21374326336).

Almost surely, 2^42748652671 is an apocalyptic number.

42748652671 is a deficient number, since it is larger than the sum of its proper divisors (1).

42748652671 is an equidigital number, since it uses as much as digits as its factorization.

42748652671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 52.

The spelling of 42748652671 in words is "forty-two billion, seven hundred forty-eight million, six hundred fifty-two thousand, six hundred seventy-one".