2421530530129 has 2 divisors, whose sum is σ = 2421530530130. Its totient is φ = 2421530530128.

The previous prime is 2421530530117. The next prime is 2421530530151. The reversal of 2421530530129 is 9210350351242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2377208912400 + 44321617729 = 1541820^2 + 210527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421530530129 - 2³³ = 2412940595537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421530530109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210765265064 + 1210765265065.

It is an arithmetic number, because the mean of its divisors is an integer number (1210765265065).

Almost surely, 2^{2421530530129} is an apocalyptic number.

It is an amenable number.

2421530530129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421530530129 is an equidigital number, since it uses as much as digits as its factorization.

2421530530129 is an evil number, because the sum of its binary digits is even.

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

The spelling of 2421530530129 in words is "two trillion, four hundred twenty-one billion, five hundred thirty million, five hundred thirty thousand, one hundred twenty-nine".