406013663653 has 8 divisors (see below), whose sum is σ = 442158355800. Its totient is φ = 370570810368.

The previous prime is 406013663641. The next prime is 406013663659. The reversal of 406013663653 is 356366310604.

It can be written as a sum of positive squares in 4 ways, for example, as 477772164 + 405535891489 = 21858^2 + 636817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406013663653 - 2⁹ = 406013663141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406013663659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 175458508 + ... + 175460821.

It is an arithmetic number, because the mean of its divisors is an integer number (55269794475).

Almost surely, 2^406013663653 is an apocalyptic number.

It is an amenable number.

406013663653 is a deficient number, since it is larger than the sum of its proper divisors (36144692147).

406013663653 is a wasteful number, since it uses less digits than its factorization.

406013663653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350919431.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 406013663653 in words is "four hundred six billion, thirteen million, six hundred sixty-three thousand, six hundred fifty-three".