4173208157 has 2 divisors, whose sum is σ = 4173208158. Its totient is φ = 4173208156.

The previous prime is 4173208153. The next prime is 4173208177. The reversal of 4173208157 is 7518023714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3791357476 + 381850681 = 61574^2 + 19541^2 .

It is a cyclic number.

It is not a de Polignac number, because 4173208157 - 2² = 4173208153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4173208157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4173208153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086604078 + 2086604079.

It is an arithmetic number, because the mean of its divisors is an integer number (2086604079).

Almost surely, 2^4173208157 is an apocalyptic number.

It is an amenable number.

4173208157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4173208157 is an equidigital number, since it uses as much as digits as its factorization.

4173208157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 4173208157 is about 64600.3727311228. The cubic root of 4173208157 is about 1609.9906326371.

The spelling of 4173208157 in words is "four billion, one hundred seventy-three million, two hundred eight thousand, one hundred fifty-seven".