3631948213 has 2 divisors, whose sum is σ = 3631948214. Its totient is φ = 3631948212.

The previous prime is 3631948169. The next prime is 3631948217. The reversal of 3631948213 is 3128491363.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3631508644 + 439569 = 60262^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 3631948213 - 2²¹ = 3629851061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3631948217) 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 as a sum of consecutive naturals, namely, 1815974106 + 1815974107.

It is an arithmetic number, because the mean of its divisors is an integer number (1815974107).

Almost surely, 2^3631948213 is an apocalyptic number.

It is an amenable number.

3631948213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3631948213 is an equidigital number, since it uses as much as digits as its factorization.

3631948213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 3631948213 is about 60265.6470387567. The cubic root of 3631948213 is about 1537.1392628291.

The spelling of 3631948213 in words is "three billion, six hundred thirty-one million, nine hundred forty-eight thousand, two hundred thirteen".