4129066025 has 24 divisors (see below), whose sum is σ = 5863612800. Its totient is φ = 2825487360.

The previous prime is 4129066021. The next prime is 4129066069. The reversal of 4129066025 is 5206609214.

It is a happy number.

It is not a de Polignac number, because 4129066025 - 2² = 4129066021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (4129066021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61001 + ... + 109449.

It is an arithmetic number, because the mean of its divisors is an integer number (244317200).

Almost surely, 2^4129066025 is an apocalyptic number.

It is an amenable number.

4129066025 is a deficient number, since it is larger than the sum of its proper divisors (1734546775).

4129066025 is a wasteful number, since it uses less digits than its factorization.

4129066025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48953 (or 48948 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4129066025 is about 64257.8090585105. The cubic root of 4129066025 is about 1604.2939380067.

The spelling of 4129066025 in words is "four billion, one hundred twenty-nine million, sixty-six thousand, twenty-five".