3211104645 has 96 divisors (see below), whose sum is σ = 6493623552. Its totient is φ = 1437613056.

The previous prime is 3211104641. The next prime is 3211104647. The reversal of 3211104645 is 5464011123.

It is a happy number.

3211104645 is a `hidden beast` number, since 3 + 2 + 1 + 1 + 10 + 4 + 645 = 666.

It is not a de Polignac number, because 3211104645 - 2² = 3211104641 is a prime.

It is a super-2 number, since 2×3211104645² = 20622386082281152050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211104641) 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 95 ways as a sum of consecutive naturals, for example, 4917139 + ... + 4917791.

It is an arithmetic number, because the mean of its divisors is an integer number (67641912).

Almost surely, 2^3211104645 is an apocalyptic number.

3211104645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3211104645 is an abundant number, since it is smaller than the sum of its proper divisors (3282518907).

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

3211104645 is a wasteful number, since it uses less digits than its factorization.

3211104645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3211104645 is about 56666.6096127164. The cubic root of 3211104645 is about 1475.3152090878.

Adding to 3211104645 its reverse (5464011123), we get a palindrome (8675115768).

The spelling of 3211104645 in words is "three billion, two hundred eleven million, one hundred four thousand, six hundred forty-five".