3238398198025 has 9 divisors (see below), whose sum is σ = 4015624922823. Its totient is φ = 2590711360200.

The previous prime is 3238398198011. The next prime is 3238398198041. The reversal of 3238398198025 is 5208918938323.

The square root of 3238398198025 is 1799555.

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

3238398198025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1165823351289 + 2072574846736 = 1079733^2 + 1439644^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3238398198025 is a prime.

It is a super-2 number, since 2×3238398198025² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8817820 + ... + 9177730.

Almost surely, 2^{3238398198025} is an apocalyptic number.

3238398198025 is the 1799555-th square number.

3238398198025 is the 899778-th centered octagonal number.

It is an amenable number.

3238398198025 is a deficient number, since it is larger than the sum of its proper divisors (777226724798).

3238398198025 is an frugal number, since it uses more digits than its factorization.

3238398198025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719832 (or 359916 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 3238398198025 in words is "three trillion, two hundred thirty-eight billion, three hundred ninety-eight million, one hundred ninety-eight thousand, twenty-five".