34669421 has 2 divisors, whose sum is σ = 34669422. Its totient is φ = 34669420.

The previous prime is 34669381. The next prime is 34669423. The reversal of 34669421 is 12496643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 212521 = 5870^2 + 461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34669421 is a prime.

Together with 34669423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34669423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17334710 + 17334711.

It is an arithmetic number, because the mean of its divisors is an integer number (17334711).

Almost surely, 2^34669421 is an apocalyptic number.

It is an amenable number.

34669421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34669421 is an equidigital number, since it uses as much as digits as its factorization.

34669421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 34669421 is about 5888.0744730345. The cubic root of 34669421 is about 326.0735183659.

The spelling of 34669421 in words is "thirty-four million, six hundred sixty-nine thousand, four hundred twenty-one".