1042433033021 has 2 divisors, whose sum is σ = 1042433033022. Its totient is φ = 1042433033020.

The previous prime is 1042433032967. The next prime is 1042433033051. The reversal of 1042433033021 is 1203303342401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950457307396 + 91975725625 = 974914^2 + 303275^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042433033021 - 2⁶ = 1042433032957 is a prime.

It is a super-2 number, since 2×1042433033021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042433033051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521216516510 + 521216516511.

It is an arithmetic number, because the mean of its divisors is an integer number (521216516511).

Almost surely, 2^{1042433033021} is an apocalyptic number.

It is an amenable number.

1042433033021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042433033021 is an equidigital number, since it uses as much as digits as its factorization.

1042433033021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1042433033021 its reverse (1203303342401), we get a palindrome (2245736375422).

The spelling of 1042433033021 in words is "one trillion, forty-two billion, four hundred thirty-three million, thirty-three thousand, twenty-one".