406531412603 has 4 divisors (see below), whose sum is σ = 427927802760. Its totient is φ = 385135022448.

The previous prime is 406531412597. The next prime is 406531412621. The reversal of 406531412603 is 306214135604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406531412603 - 2¹⁰ = 406531411579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406531417603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10698195050 + ... + 10698195087.

It is an arithmetic number, because the mean of its divisors is an integer number (106981950690).

Almost surely, 2^406531412603 is an apocalyptic number.

406531412603 is a deficient number, since it is larger than the sum of its proper divisors (21396390157).

406531412603 is a wasteful number, since it uses less digits than its factorization.

406531412603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396390156.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 406531412603 in words is "four hundred six billion, five hundred thirty-one million, four hundred twelve thousand, six hundred three".