10144632213 has 20 divisors (see below), whose sum is σ = 15563908140. Its totient is φ = 6580300032.

The previous prime is 10144632193. The next prime is 10144632227. The reversal of 10144632213 is 31223644101.

It is a happy number.

10144632213 is a `hidden beast` number, since 1 + 0 + 1 + 4 + 4 + 632 + 21 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4620872529 + 5523759684 = 67977^2 + 74322^2 .

It is not a de Polignac number, because 10144632213 - 2⁵ = 10144632181 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10144632263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1689468 + ... + 1695461.

It is an arithmetic number, because the mean of its divisors is an integer number (778195407).

Almost surely, 2^10144632213 is an apocalyptic number.

It is an amenable number.

10144632213 is a deficient number, since it is larger than the sum of its proper divisors (5419275927).

10144632213 is an equidigital number, since it uses as much as digits as its factorization.

10144632213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384978 (or 3384969 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 10144632213 in words is "ten billion, one hundred forty-four million, six hundred thirty-two thousand, two hundred thirteen".