3397132421 has 2 divisors, whose sum is σ = 3397132422. Its totient is φ = 3397132420.

The previous prime is 3397132373. The next prime is 3397132439. The reversal of 3397132421 is 1242317933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3275272900 + 121859521 = 57230^2 + 11039^2 .

It is a cyclic number.

It is not a de Polignac number, because 3397132421 - 2²² = 3392938117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3397132441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1698566210 + 1698566211.

It is an arithmetic number, because the mean of its divisors is an integer number (1698566211).

Almost surely, 2^3397132421 is an apocalyptic number.

It is an amenable number.

3397132421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3397132421 is an equidigital number, since it uses as much as digits as its factorization.

3397132421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 3397132421 is about 58284.9244745157. The cubic root of 3397132421 is about 1503.2717358266.

The spelling of 3397132421 in words is "three billion, three hundred ninety-seven million, one hundred thirty-two thousand, four hundred twenty-one".