6636630043435 has 16 divisors (see below), whose sum is σ = 9637056063936. Its totient is φ = 4283136027648.

The previous prime is 6636630043369. The next prime is 6636630043481. The reversal of 6636630043435 is 5343400366366.

It is a cyclic number.

It is not a de Polignac number, because 6636630043435 - 2¹⁵ = 6636630010667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5576999442 + ... + 5577000631.

It is an arithmetic number, because the mean of its divisors is an integer number (602316003996).

Almost surely, 2^{6636630043435} is an apocalyptic number.

6636630043435 is a deficient number, since it is larger than the sum of its proper divisors (3000426020501).

6636630043435 is a wasteful number, since it uses less digits than its factorization.

6636630043435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154000102.

The product of its (nonzero) digits is 8398080, while the sum is 49.

The spelling of 6636630043435 in words is "six trillion, six hundred thirty-six billion, six hundred thirty million, forty-three thousand, four hundred thirty-five".