3420662393 has 2 divisors, whose sum is σ = 3420662394. Its totient is φ = 3420662392.

The previous prime is 3420662389. The next prime is 3420662407. The reversal of 3420662393 is 3932660243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3055546729 + 365115664 = 55277^2 + 19108^2 .

It is an emirp because it is prime and its reverse (3932660243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3420662393 - 2² = 3420662389 is a prime.

It is not a weakly prime, because it can be changed into another prime (3420662383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710331196 + 1710331197.

It is an arithmetic number, because the mean of its divisors is an integer number (1710331197).

Almost surely, 2^3420662393 is an apocalyptic number.

It is an amenable number.

3420662393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420662393 is an equidigital number, since it uses as much as digits as its factorization.

3420662393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 3420662393 is about 58486.4291353131. The cubic root of 3420662393 is about 1506.7345178924.

The spelling of 3420662393 in words is "three billion, four hundred twenty million, six hundred sixty-two thousand, three hundred ninety-three".