2400530254021 has 2 divisors, whose sum is σ = 2400530254022. Its totient is φ = 2400530254020.

The previous prime is 2400530253997. The next prime is 2400530254093. The reversal of 2400530254021 is 1204520350042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1721160324900 + 679369929121 = 1311930^2 + 824239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400530254021 - 2⁹ = 2400530253509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400530254321) 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, 1200265127010 + 1200265127011.

It is an arithmetic number, because the mean of its divisors is an integer number (1200265127011).

Almost surely, 2^{2400530254021} is an apocalyptic number.

It is an amenable number.

2400530254021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400530254021 is an equidigital number, since it uses as much as digits as its factorization.

2400530254021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 2400530254021 in words is "two trillion, four hundred billion, five hundred thirty million, two hundred fifty-four thousand, twenty-one".