2120430469 has 2 divisors, whose sum is σ = 2120430470. Its totient is φ = 2120430468.

The previous prime is 2120430443. The next prime is 2120430509. The reversal of 2120430469 is 9640340212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1727399844 + 393030625 = 41562^2 + 19825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120430469 - 2⁵ = 2120430437 is a prime.

It is a super-2 number, since 2×2120430469² = 8992450747727119922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120430469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120430869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060215234 + 1060215235.

It is an arithmetic number, because the mean of its divisors is an integer number (1060215235).

Almost surely, 2^2120430469 is an apocalyptic number.

It is an amenable number.

2120430469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120430469 is an equidigital number, since it uses as much as digits as its factorization.

2120430469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2120430469 is about 46048.1320902379. The cubic root of 2120430469 is about 1284.7186005868.

The spelling of 2120430469 in words is "two billion, one hundred twenty million, four hundred thirty thousand, four hundred sixty-nine".