3474350609521 has 27 divisors (see below), whose sum is σ = 3840376483083. Its totient is φ = 3140848843440.

The previous prime is 3474350609497. The next prime is 3474350609579. The reversal of 3474350609521 is 1259060534743.

The square root of 3474350609521 is 1863961.

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., 463639789921 + 3010710819600 = 680911^2 + 1735140^2 .

It is not a de Polignac number, because 3474350609521 - 2³¹ = 3472203125873 is a prime.

It is a super-2 number, since 2×3474350609521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3474350609621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4900353115 + ... + 4900353823.

Almost surely, 2^{3474350609521} is an apocalyptic number.

3474350609521 is the 1863961-st square number.

3474350609521 is the 931981-st centered octagonal number.

It is an amenable number.

3474350609521 is a deficient number, since it is larger than the sum of its proper divisors (366025873562).

3474350609521 is an frugal number, since it uses more digits than its factorization.

3474350609521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

Multiplying 3474350609521 by its sum of digits (49), we get a square (170243179866529 = 13047727²).

The spelling of 3474350609521 in words is "three trillion, four hundred seventy-four billion, three hundred fifty million, six hundred nine thousand, five hundred twenty-one".