3430421639 has 2 divisors, whose sum is σ = 3430421640. Its totient is φ = 3430421638.

The previous prime is 3430421627. The next prime is 3430421647. The reversal of 3430421639 is 9361240343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3430421639 - 2²⁰ = 3429373063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3430421599 and 3430421608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3430421609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715210819 + 1715210820.

It is an arithmetic number, because the mean of its divisors is an integer number (1715210820).

Almost surely, 2^3430421639 is an apocalyptic number.

3430421639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430421639 is an equidigital number, since it uses as much as digits as its factorization.

3430421639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 3430421639 is about 58569.8014253079. The cubic root of 3430421639 is about 1508.1660759794.

The spelling of 3430421639 in words is "three billion, four hundred thirty million, four hundred twenty-one thousand, six hundred thirty-nine".