46505778011813 has 4 divisors (see below), whose sum is σ = 46506399464448. Its totient is φ = 46505156559180.

The previous prime is 46505778011783. The next prime is 46505778011839. The reversal of 46505778011813 is 31811087750564.

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 a de Polignac number, because none of the positive numbers 2^k-46505778011813 is a prime.

It is a super-2 number, since 2×46505778011813² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46505778011873) 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, 310614053 + ... + 310763738.

It is an arithmetic number, because the mean of its divisors is an integer number (11626599866112).

Almost surely, 2^{46505778011813} is an apocalyptic number.

It is an amenable number.

46505778011813 is a deficient number, since it is larger than the sum of its proper divisors (621452635).

46505778011813 is an equidigital number, since it uses as much as digits as its factorization.

46505778011813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621452634.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 46505778011813 in words is "forty-six trillion, five hundred five billion, seven hundred seventy-eight million, eleven thousand, eight hundred thirteen".