3425128439 has 2 divisors, whose sum is σ = 3425128440. Its totient is φ = 3425128438.

The previous prime is 3425128429. The next prime is 3425128453. The reversal of 3425128439 is 9348215243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3425128439 - 2¹² = 3425124343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3425128396 and 3425128405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3425128409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712564219 + 1712564220.

It is an arithmetic number, because the mean of its divisors is an integer number (1712564220).

Almost surely, 2^3425128439 is an apocalyptic number.

3425128439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3425128439 is an equidigital number, since it uses as much as digits as its factorization.

3425128439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 3425128439 is about 58524.5968717427. The cubic root of 3425128439 is about 1507.3899678680.

The spelling of 3425128439 in words is "three billion, four hundred twenty-five million, one hundred twenty-eight thousand, four hundred thirty-nine".