2142021504533 has 2 divisors, whose sum is σ = 2142021504534. Its totient is φ = 2142021504532.

The previous prime is 2142021504527. The next prime is 2142021504593. The reversal of 2142021504533 is 3354051202412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087853172004 + 1054168332529 = 1043002^2 + 1026727^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142021504533 - 2⁸ = 2142021504277 is a prime.

It is a super-2 number, since 2×2142021504533² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2142021504533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142021504593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071010752266 + 1071010752267.

It is an arithmetic number, because the mean of its divisors is an integer number (1071010752267).

Almost surely, 2^{2142021504533} is an apocalyptic number.

It is an amenable number.

2142021504533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142021504533 is an equidigital number, since it uses as much as digits as its factorization.

2142021504533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2142021504533 its reverse (3354051202412), we get a palindrome (5496072706945).

The spelling of 2142021504533 in words is "two trillion, one hundred forty-two billion, twenty-one million, five hundred four thousand, five hundred thirty-three".