2421530530145 has 8 divisors (see below), whose sum is σ = 2984372761704. Its totient is φ = 1884867007104.

The previous prime is 2421530530129. The next prime is 2421530530151. The reversal of 2421530530145 is 5410350351242.

It can be written as a sum of positive squares in 4 ways, for example, as 1508649649441 + 912880880704 = 1228271^2 + 955448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2421530530145 - 2⁴ = 2421530530129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6544676924 + ... + 6544677293.

It is an arithmetic number, because the mean of its divisors is an integer number (373046595213).

Almost surely, 2^{2421530530145} is an apocalyptic number.

It is an amenable number.

2421530530145 is a deficient number, since it is larger than the sum of its proper divisors (562842231559).

2421530530145 is a wasteful number, since it uses less digits than its factorization.

2421530530145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089354259.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2421530530145 its reverse (5410350351242), we get a palindrome (7831880881387).

The spelling of 2421530530145 in words is "two trillion, four hundred twenty-one billion, five hundred thirty million, five hundred thirty thousand, one hundred forty-five".