4200625129 has 2 divisors, whose sum is σ = 4200625130. Its totient is φ = 4200625128.

The previous prime is 4200625097. The next prime is 4200625139. The reversal of 4200625129 is 9215260024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2301408729 + 1899216400 = 47973^2 + 43580^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200625129 - 2⁵ = 4200625097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4200625129.

It is not a weakly prime, because it can be changed into another prime (4200625139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100312564 + 2100312565.

It is an arithmetic number, because the mean of its divisors is an integer number (2100312565).

Almost surely, 2^4200625129 is an apocalyptic number.

It is an amenable number.

4200625129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200625129 is an equidigital number, since it uses as much as digits as its factorization.

4200625129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4200625129 is about 64812.2297795717. The cubic root of 4200625129 is about 1613.5086897547.

The spelling of 4200625129 in words is "four billion, two hundred million, six hundred twenty-five thousand, one hundred twenty-nine".