42033254363209 has 2 divisors, whose sum is σ = 42033254363210. Its totient is φ = 42033254363208.

The previous prime is 42033254363197. The next prime is 42033254363231. The reversal of 42033254363209 is 90236345233024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33331916624400 + 8701337738809 = 5773380^2 + 2949803^2 .

It is a cyclic number.

It is not a de Polignac number, because 42033254363209 - 2³⁹ = 41483498549321 is a prime.

It is a super-4 number, since 4×42033254363209⁴ (a number of 56 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (42033254363249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016627181604 + 21016627181605.

It is an arithmetic number, because the mean of its divisors is an integer number (21016627181605).

Almost surely, 2^{42033254363209} is an apocalyptic number.

It is an amenable number.

42033254363209 is a deficient number, since it is larger than the sum of its proper divisors (1).

42033254363209 is an equidigital number, since it uses as much as digits as its factorization.

42033254363209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 42033254363209 in words is "forty-two trillion, thirty-three billion, two hundred fifty-four million, three hundred sixty-three thousand, two hundred nine".