3427395197 has 2 divisors, whose sum is σ = 3427395198. Its totient is φ = 3427395196.

The previous prime is 3427395193. The next prime is 3427395229. The reversal of 3427395197 is 7915937243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3380143321 + 47251876 = 58139^2 + 6874^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427395197 - 2² = 3427395193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3427395193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713697598 + 1713697599.

It is an arithmetic number, because the mean of its divisors is an integer number (1713697599).

Almost surely, 2^3427395197 is an apocalyptic number.

It is an amenable number.

3427395197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427395197 is an equidigital number, since it uses as much as digits as its factorization.

3427395197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 3427395197 is about 58543.9595261544. The cubic root of 3427395197 is about 1507.7224259386.

The spelling of 3427395197 in words is "three billion, four hundred twenty-seven million, three hundred ninety-five thousand, one hundred ninety-seven".