40163634005813 has 4 divisors (see below), whose sum is σ = 41018179410240. Its totient is φ = 39309088601388.

The previous prime is 40163634005809. The next prime is 40163634005827. The reversal of 40163634005813 is 31850043636104.

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 40163634005813 - 2² = 40163634005809 is a prime.

It is a super-2 number, since 2×40163634005813² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163634005843) 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, 427272702143 + ... + 427272702236.

It is an arithmetic number, because the mean of its divisors is an integer number (10254544852560).

Almost surely, 2^{40163634005813} is an apocalyptic number.

It is an amenable number.

40163634005813 is a deficient number, since it is larger than the sum of its proper divisors (854545404427).

40163634005813 is an equidigital number, since it uses as much as digits as its factorization.

40163634005813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854545404426.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 40163634005813 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty-four million, five thousand, eight hundred thirteen".