406809514601 has 4 divisors (see below), whose sum is σ = 464925159552. Its totient is φ = 348693869652.

The previous prime is 406809514597. The next prime is 406809514627. The reversal of 406809514601 is 106415908604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406809514601 - 2² = 406809514597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406809514681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29057822465 + ... + 29057822478.

It is an arithmetic number, because the mean of its divisors is an integer number (116231289888).

Almost surely, 2^406809514601 is an apocalyptic number.

It is an amenable number.

406809514601 is a deficient number, since it is larger than the sum of its proper divisors (58115644951).

406809514601 is an equidigital number, since it uses as much as digits as its factorization.

406809514601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58115644950.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 406809514601 in words is "four hundred six billion, eight hundred nine million, five hundred fourteen thousand, six hundred one".