4151869225 has 45 divisors (see below), whose sum is σ = 6028936823. Its totient is φ = 2836170960.

The previous prime is 4151869159. The next prime is 4151869231. The reversal of 4151869225 is 5229681514.

The square root of 4151869225 is 64435.

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

It can be written as a sum of positive squares in only one way, i.e., 1494672921 + 2657196304 = 38661^2 + 51548^2 .

It is not a de Polignac number, because 4151869225 - 2⁷ = 4151869097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 15786444 + ... + 15786706.

Almost surely, 2^4151869225 is an apocalyptic number.

4151869225 is the 64435-th square number.

4151869225 is the 32218-th centered octagonal number.

It is an amenable number.

4151869225 is a deficient number, since it is larger than the sum of its proper divisors (1877067598).

4151869225 is an frugal number, since it uses more digits than its factorization.

4151869225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 275 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The cubic root of 4151869225 is about 1607.2418118212.

The spelling of 4151869225 in words is "four billion, one hundred fifty-one million, eight hundred sixty-nine thousand, two hundred twenty-five".