406134431605 has 16 divisors (see below), whose sum is σ = 559482061824. Its totient is φ = 277243332480.

The previous prime is 406134431597. The next prime is 406134431639. The reversal of 406134431605 is 506134431604.

It is not a de Polignac number, because 406134431605 - 2³ = 406134431597 is a prime.

It is a congruent number.

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, 26009776 + ... + 26025385.

It is an arithmetic number, because the mean of its divisors is an integer number (34967628864).

Almost surely, 2^406134431605 is an apocalyptic number.

It is an amenable number.

406134431605 is a deficient number, since it is larger than the sum of its proper divisors (153347630219).

406134431605 is a wasteful number, since it uses less digits than its factorization.

406134431605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52035396.

The product of its (nonzero) digits is 103680, while the sum is 37.

Subtracting 406134431605 from its reverse (506134431604), we obtain a palindrome (99999999999).

The spelling of 406134431605 in words is "four hundred six billion, one hundred thirty-four million, four hundred thirty-one thousand, six hundred five".