3621264003 has 96 divisors (see below), whose sum is σ = 6604416000. Its totient is φ = 1978276608.

The previous prime is 3621263983. The next prime is 3621264019. The reversal of 3621264003 is 3004621263.

3621264003 is a `hidden beast` number, since 3 + 6 + 2 + 12 + 640 + 0 + 3 = 666.

3621264003 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3621264003 - 2⁸ = 3621263747 is a prime.

It is a super-2 number, since 2×3621264003² = 26227105958847168018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3621264103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1916083 + ... + 1917971.

It is an arithmetic number, because the mean of its divisors is an integer number (68796000).

Almost surely, 2^3621264003 is an apocalyptic number.

3621264003 is a deficient number, since it is larger than the sum of its proper divisors (2983151997).

3621264003 is an equidigital number, since it uses as much as digits as its factorization.

3621264003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 3621264003 is about 60176.9391295370. The cubic root of 3621264003 is about 1535.6304996516.

Adding to 3621264003 its reverse (3004621263), we get a palindrome (6625885266).

The spelling of 3621264003 in words is "three billion, six hundred twenty-one million, two hundred sixty-four thousand, three".