3397847055625 has 45 divisors (see below), whose sum is σ = 4667731964049. Its totient is φ = 2470792830000.

The previous prime is 3397847055529. The next prime is 3397847055641. The reversal of 3397847055625 is 5265507487933.

It is a happy number.

The square root of 3397847055625 is 1843325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 266391209161 + 3131455846464 = 516131^2 + 1769592^2 .

It is not a de Polignac number, because 3397847055625 - 2⁴¹ = 1198823800073 is a prime.

It is a super-2 number, since 2×3397847055625² (a number of 26 digits) contains 22 as substring.

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, 506911024 + ... + 506917726.

Almost surely, 2^{3397847055625} is an apocalyptic number.

3397847055625 is the 1843325-th square number.

3397847055625 is the 921663-rd centered octagonal number.

It is an amenable number.

3397847055625 is a deficient number, since it is larger than the sum of its proper divisors (1269884908424).

3397847055625 is an frugal number, since it uses more digits than its factorization.

3397847055625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448 (or 6719 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 64.

Multiplying 3397847055625 by its sum of digits (64), we get a square (217462211560000 = 14746600²).

The spelling of 3397847055625 in words is "three trillion, three hundred ninety-seven billion, eight hundred forty-seven million, fifty-five thousand, six hundred twenty-five".