4156836025 has 12 divisors (see below), whose sum is σ = 5169782332. Its totient is φ = 3315594240.

The previous prime is 4156836001. The next prime is 4156836029. The reversal of 4156836025 is 5206386514.

It can be written as a sum of positive squares in 6 ways, for example, as 173080336 + 3983755689 = 13156^2 + 63117^2 .

It is not a de Polignac number, because 4156836025 - 2¹⁵ = 4156803257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4156836029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238272 + ... + 255121.

Almost surely, 2^4156836025 is an apocalyptic number.

It is an amenable number.

4156836025 is a deficient number, since it is larger than the sum of its proper divisors (1012946307).

4156836025 is a wasteful number, since it uses less digits than its factorization.

4156836025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493740 (or 493735 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 4156836025 is about 64473.5296458942. The cubic root of 4156836025 is about 1607.8824604119.

The spelling of 4156836025 in words is "four billion, one hundred fifty-six million, eight hundred thirty-six thousand, twenty-five".