3642121011 has 16 divisors (see below), whose sum is σ = 5019199904. Its totient is φ = 2347398144.

The previous prime is 3642121003. The next prime is 3642121019. The reversal of 3642121011 is 1101212463.

3642121011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3642121003) and next prime (3642121019).

It is not a de Polignac number, because 3642121011 - 2³ = 3642121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642121019) 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 15 ways as a sum of consecutive naturals, for example, 87070 + ... + 121923.

It is an arithmetic number, because the mean of its divisors is an integer number (313699994).

Almost surely, 2^3642121011 is an apocalyptic number.

3642121011 is a deficient number, since it is larger than the sum of its proper divisors (1377078893).

3642121011 is a wasteful number, since it uses less digits than its factorization.

3642121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209190.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3642121011 is about 60349.9876636276. The cubic root of 3642121011 is about 1538.5730599393.

Adding to 3642121011 its reverse (1101212463), we get a palindrome (4743333474).

The spelling of 3642121011 in words is "three billion, six hundred forty-two million, one hundred twenty-one thousand, eleven".