2130433242421 has 6 divisors (see below), whose sum is σ = 2341715878166. Its totient is φ = 1936757493000.

The previous prime is 2130433242403. The next prime is 2130433242493. The reversal of 2130433242421 is 1242423340312.

It can be written as a sum of positive squares in only one way, i.e., 1687689390321 + 442743852100 = 1299111^2 + 665390^2 .

It is not a de Polignac number, because 2130433242421 - 2²⁹ = 2129896371509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130433248421) 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 in 5 ways as a sum of consecutive naturals, for example, 8803443030 + ... + 8803443271.

Almost surely, 2^{2130433242421} is an apocalyptic number.

It is an amenable number.

2130433242421 is a deficient number, since it is larger than the sum of its proper divisors (211282635745).

2130433242421 is a wasteful number, since it uses less digits than its factorization.

2130433242421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17606886323 (or 17606886312 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2130433242421 its reverse (1242423340312), we get a palindrome (3372856582733).

The spelling of 2130433242421 in words is "two trillion, one hundred thirty billion, four hundred thirty-three million, two hundred forty-two thousand, four hundred twenty-one".