2040430429 has 2 divisors, whose sum is σ = 2040430430. Its totient is φ = 2040430428.

The previous prime is 2040430393. The next prime is 2040430433. The reversal of 2040430429 is 9240340402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1964705625 + 75724804 = 44325^2 + 8702^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040430429 - 2¹⁵ = 2040397661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040430397 and 2040430406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040430439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020215214 + 1020215215.

It is an arithmetic number, because the mean of its divisors is an integer number (1020215215).

Almost surely, 2^2040430429 is an apocalyptic number.

It is an amenable number.

2040430429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040430429 is an equidigital number, since it uses as much as digits as its factorization.

2040430429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2040430429 is about 45171.1238403474. The cubic root of 2040430429 is about 1268.3543338396.

The spelling of 2040430429 in words is "two billion, forty million, four hundred thirty thousand, four hundred twenty-nine".