3609125776 has 45 divisors (see below), whose sum is σ = 7321141009. Its totient is φ = 1723460288.

The previous prime is 3609125771. The next prime is 3609125797. The reversal of 3609125776 is 6775219063.

The square root of 3609125776 is 60076.

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., 839840400 + 2769285376 = 28980^2 + 52624^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609125771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5526666 + ... + 5527318.

Almost surely, 2^3609125776 is an apocalyptic number.

3609125776 is the 60076-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609125776

3609125776 is an abundant number, since it is smaller than the sum of its proper divisors (3712015233).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3609125776 is an frugal number, since it uses more digits than its factorization.

3609125776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The cubic root of 3609125776 is about 1533.9128032042.

The spelling of 3609125776 in words is "three billion, six hundred nine million, one hundred twenty-five thousand, seven hundred seventy-six".