46518052261891 has 4 divisors (see below), whose sum is σ = 53163488299312. Its totient is φ = 39872616224472.

The previous prime is 46518052261867. The next prime is 46518052261909. The reversal of 46518052261891 is 19816225081564.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46518052261891 - 2⁴³ = 37721959239683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46518052261801) 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, 3322718018700 + ... + 3322718018713.

It is an arithmetic number, because the mean of its divisors is an integer number (13290872074828).

Almost surely, 2^{46518052261891} is an apocalyptic number.

46518052261891 is a deficient number, since it is larger than the sum of its proper divisors (6645436037421).

46518052261891 is an equidigital number, since it uses as much as digits as its factorization.

46518052261891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645436037420.

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 46518052261891 in words is "forty-six trillion, five hundred eighteen billion, fifty-two million, two hundred sixty-one thousand, eight hundred ninety-one".