3621469896256 has 21 divisors (see below), whose sum is σ = 7186384535889. Its totient is φ = 1810727336064.

The previous prime is 3621469896251. The next prime is 3621469896259. The reversal of 3621469896256 is 6526989641263.

The square root of 3621469896256 is 1903016.

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., 3519826254400 + 101643641856 = 1876120^2 + 318816^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3621469896191 and 3621469896200.

It is not an unprimeable number, because it can be changed into a prime (3621469896251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15105190 + ... + 15343066.

Almost surely, 2^{3621469896256} is an apocalyptic number.

3621469896256 is the 1903016-th square number.

It is an amenable number.

3621469896256 is a deficient number, since it is larger than the sum of its proper divisors (3564914639633).

3621469896256 is an frugal number, since it uses more digits than its factorization.

3621469896256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475766 (or 237879 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 67.

The spelling of 3621469896256 in words is "three trillion, six hundred twenty-one billion, four hundred sixty-nine million, eight hundred ninety-six thousand, two hundred fifty-six".