3689955025 has 9 divisors (see below), whose sum is σ = 4575920881. Its totient is φ = 2951721040.

The previous prime is 3689955019. The next prime is 3689955037. The reversal of 3689955025 is 5205599863.

The square root of 3689955025 is 60745.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 899580049 + 2790374976 = 29993^2 + 52824^2 .

It is not a de Polignac number, because 3689955025 - 2⁷ = 3689954897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 297651 + ... + 309799.

Almost surely, 2^3689955025 is an apocalyptic number.

3689955025 is the 60745-th square number.

3689955025 is the 30373-rd centered octagonal number.

It is an amenable number.

3689955025 is a deficient number, since it is larger than the sum of its proper divisors (885965856).

3689955025 is an frugal number, since it uses more digits than its factorization.

3689955025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24308 (or 12154 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 52.

The cubic root of 3689955025 is about 1545.2794326362.

The spelling of 3689955025 in words is "three billion, six hundred eighty-nine million, nine hundred fifty-five thousand, twenty-five".