1699333852225 has 9 divisors (see below), whose sum is σ = 2107182059017. Its totient is φ = 1359461867440.

The previous prime is 1699333852217. The next prime is 1699333852231. The reversal of 1699333852225 is 5222583339961.

The square root of 1699333852225 is 1303585.

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 343376076289 + 1355957775936 = 585983^2 + 1164456^2 .

It is not a de Polignac number, because 1699333852225 - 2³ = 1699333852217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1699333852225.

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, 6387567 + ... + 6648283.

Almost surely, 2^{1699333852225} is an apocalyptic number.

1699333852225 is the 1303585-th square number.

1699333852225 is the 651793-rd centered octagonal number.

It is an amenable number.

1699333852225 is a deficient number, since it is larger than the sum of its proper divisors (407848206792).

1699333852225 is an frugal number, since it uses more digits than its factorization.

1699333852225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521444 (or 260722 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 58.

The spelling of 1699333852225 in words is "one trillion, six hundred ninety-nine billion, three hundred thirty-three million, eight hundred fifty-two thousand, two hundred twenty-five".