3609270436864 has 33 divisors (see below), whose sum is σ = 7215137725957. Its totient is φ = 1804604821504.

The previous prime is 3609270436861. The next prime is 3609270436903. The reversal of 3609270436864 is 4686340729063.

It is a happy number.

The square root of 3609270436864 is 1899808.

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., 131194635264 + 3478075801600 = 362208^2 + 1864960^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3609270436799 and 3609270436808.

It is not an unprimeable number, because it can be changed into a prime (3609270436861) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 60764172 + ... + 60823540.

Almost surely, 2^{3609270436864} is an apocalyptic number.

3609270436864 is the 1899808-th square number.

It is an amenable number.

3609270436864 is a deficient number, since it is larger than the sum of its proper divisors (3605867289093).

3609270436864 is an frugal number, since it uses more digits than its factorization.

3609270436864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118758 (or 59371 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 3609270436864 in words is "three trillion, six hundred nine billion, two hundred seventy million, four hundred thirty-six thousand, eight hundred sixty-four".