2670397198225 has 27 divisors (see below), whose sum is σ = 3324996212881. Its totient is φ = 2127513039200.

The previous prime is 2670397198171. The next prime is 2670397198229. The reversal of 2670397198225 is 5228917930762.

The square root of 2670397198225 is 1634135.

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 1077894539089 + 1592502659136 = 1038217^2 + 1261944^2 .

It is not a de Polignac number, because 2670397198225 - 2⁷ = 2670397198097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2670397198229) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 2590103460 + ... + 2590104490.

Almost surely, 2^{2670397198225} is an apocalyptic number.

2670397198225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2670397198225 is the 1634135-th square number.

2670397198225 is the 817068-th centered octagonal number.

It is an amenable number.

2670397198225 is a deficient number, since it is larger than the sum of its proper divisors (654599014656).

2670397198225 is an frugal number, since it uses more digits than its factorization.

2670397198225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 2670397198225 in words is "two trillion, six hundred seventy billion, three hundred ninety-seven million, one hundred ninety-eight thousand, two hundred twenty-five".