3240430429 has 2 divisors, whose sum is σ = 3240430430. Its totient is φ = 3240430428.

The previous prime is 3240430399. The next prime is 3240430433. The reversal of 3240430429 is 9240340423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3240227929 + 202500 = 56923^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240430429 - 2⁷ = 3240430301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3240430429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240430489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620215214 + 1620215215.

It is an arithmetic number, because the mean of its divisors is an integer number (1620215215).

Almost surely, 2^3240430429 is an apocalyptic number.

It is an amenable number.

3240430429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240430429 is an equidigital number, since it uses as much as digits as its factorization.

3240430429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3240430429 is about 56924.7786908302. The cubic root of 3240430429 is about 1479.7927681904.

The spelling of 3240430429 in words is "three billion, two hundred forty million, four hundred thirty thousand, four hundred twenty-nine".