3438403427 has 2 divisors, whose sum is σ = 3438403428. Its totient is φ = 3438403426.

The previous prime is 3438403411. The next prime is 3438403439. The reversal of 3438403427 is 7243048343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3438403427 - 2⁴ = 3438403411 is a prime.

It is not a weakly prime, because it can be changed into another prime (3438403477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719201713 + 1719201714.

It is an arithmetic number, because the mean of its divisors is an integer number (1719201714).

Almost surely, 2^3438403427 is an apocalyptic number.

3438403427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438403427 is an equidigital number, since it uses as much as digits as its factorization.

3438403427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 38.

The square root of 3438403427 is about 58637.9009429908. The cubic root of 3438403427 is about 1509.3348863837.

The spelling of 3438403427 in words is "three billion, four hundred thirty-eight million, four hundred three thousand, four hundred twenty-seven".