2420135197 has 2 divisors, whose sum is σ = 2420135198. Its totient is φ = 2420135196.

The previous prime is 2420135177. The next prime is 2420135213. The reversal of 2420135197 is 7915310242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2413855161 + 6280036 = 49131^2 + 2506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420135197 - 2¹⁹ = 2419610909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420135177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210067598 + 1210067599.

It is an arithmetic number, because the mean of its divisors is an integer number (1210067599).

Almost surely, 2^2420135197 is an apocalyptic number.

It is an amenable number.

2420135197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420135197 is an equidigital number, since it uses as much as digits as its factorization.

2420135197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2420135197 is about 49194.8696207237. The cubic root of 2420135197 is about 1342.5996901143.

The spelling of 2420135197 in words is "two billion, four hundred twenty million, one hundred thirty-five thousand, one hundred ninety-seven".