3612321011 has 4 divisors (see below), whose sum is σ = 3890191872. Its totient is φ = 3334450152.

The previous prime is 3612321001. The next prime is 3612321049. The reversal of 3612321011 is 1101232163.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3612321011 - 2³⁰ = 2538579187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3612321001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138935411 + ... + 138935436.

It is an arithmetic number, because the mean of its divisors is an integer number (972547968).

Almost surely, 2^3612321011 is an apocalyptic number.

3612321011 is a deficient number, since it is larger than the sum of its proper divisors (277870861).

3612321011 is a wasteful number, since it uses less digits than its factorization.

3612321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277870860.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3612321011 is about 60102.5873902281. The cubic root of 3612321011 is about 1534.3653381124.

Adding to 3612321011 its reverse (1101232163), we get a palindrome (4713553174).

The spelling of 3612321011 in words is "three billion, six hundred twelve million, three hundred twenty-one thousand, eleven".