4905122197 has 2 divisors, whose sum is σ = 4905122198. Its totient is φ = 4905122196.

The previous prime is 4905122191. The next prime is 4905122249. The reversal of 4905122197 is 7912215094.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4816498801 + 88623396 = 69401^2 + 9414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4905122197 - 2¹¹ = 4905120149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4905122191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452561098 + 2452561099.

It is an arithmetic number, because the mean of its divisors is an integer number (2452561099).

Almost surely, 2^4905122197 is an apocalyptic number.

It is an amenable number.

4905122197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905122197 is an equidigital number, since it uses as much as digits as its factorization.

4905122197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 4905122197 is about 70036.5775648696. The cubic root of 4905122197 is about 1699.0908861202.

The spelling of 4905122197 in words is "four billion, nine hundred five million, one hundred twenty-two thousand, one hundred ninety-seven".