2012643535 has 16 divisors (see below), whose sum is σ = 2849236992. Its totient is φ = 1335578400.

The previous prime is 2012643499. The next prime is 2012643551. The reversal of 2012643535 is 5353462102.

It is a happy number.

It is not a de Polignac number, because 2012643535 - 2⁷ = 2012643407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2012643497 and 2012643506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926401 + ... + 928570.

It is an arithmetic number, because the mean of its divisors is an integer number (178077312).

Almost surely, 2^2012643535 is an apocalyptic number.

2012643535 is a deficient number, since it is larger than the sum of its proper divisors (836593457).

2012643535 is a wasteful number, since it uses less digits than its factorization.

2012643535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855014.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2012643535 is about 44862.4958623570. The cubic root of 2012643535 is about 1262.5704507299.

The spelling of 2012643535 in words is "two billion, twelve million, six hundred forty-three thousand, five hundred thirty-five".