42651001061533 has 2 divisors, whose sum is σ = 42651001061534. Its totient is φ = 42651001061532.

The previous prime is 42651001061519. The next prime is 42651001061549. The reversal of 42651001061533 is 33516010015624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30596585090724 + 12054415970809 = 5531418^2 + 3471947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42651001061533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42651001061492 and 42651001061501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42651001061563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325500530766 + 21325500530767.

It is an arithmetic number, because the mean of its divisors is an integer number (21325500530767).

Almost surely, 2^{42651001061533} is an apocalyptic number.

It is an amenable number.

42651001061533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42651001061533 is an equidigital number, since it uses as much as digits as its factorization.

42651001061533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 42651001061533 in words is "forty-two trillion, six hundred fifty-one billion, one million, sixty-one thousand, five hundred thirty-three".