2430914421321 has 9 divisors (see below), whose sum is σ = 3511327587079. Its totient is φ = 1620606495936.

The previous prime is 2430914421311. The next prime is 2430914421323. The reversal of 2430914421321 is 1231244190342.

The square root of 2430914421321 is 1559139.

It is a perfect power (a square), and thus also a powerful number.

2430914421321 is a `hidden beast` number, since 2 + 4 + 309 + 1 + 4 + 4 + 21 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2197880375625 + 233034045696 = 1482525^2 + 482736^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2430914421321 - 2¹³ = 2430914413129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2430914421323) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4417561 + ... + 4937273.

Almost surely, 2^{2430914421321} is an apocalyptic number.

2430914421321 is the 1559139-th square number.

2430914421321 is the 779570-th centered octagonal number.

It is an amenable number.

2430914421321 is a deficient number, since it is larger than the sum of its proper divisors (1080413165758).

2430914421321 is an frugal number, since it uses more digits than its factorization.

2430914421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039432 (or 519716 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Multiplying 2430914421321 by its sum of digits (36), we get a square (87512919167556 = 9354834²).

The spelling of 2430914421321 in words is "two trillion, four hundred thirty billion, nine hundred fourteen million, four hundred twenty-one thousand, three hundred twenty-one".