401181310009 has 4 divisors (see below), whose sum is σ = 401188754304. Its totient is φ = 401173865716.

The previous prime is 401181310003. The next prime is 401181310027. The reversal of 401181310009 is 900013181104.

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 401181310009 - 2¹⁹ = 401180785721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401181310003) 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, 3640717 + ... + 3749290.

It is an arithmetic number, because the mean of its divisors is an integer number (100297188576).

Almost surely, 2^401181310009 is an apocalyptic number.

It is an amenable number.

401181310009 is a deficient number, since it is larger than the sum of its proper divisors (7444295).

401181310009 is an equidigital number, since it uses as much as digits as its factorization.

401181310009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444294.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 401181310009 in words is "four hundred one billion, one hundred eighty-one million, three hundred ten thousand, nine".