46881144721 has 4 divisors (see below), whose sum is σ = 48393439744. Its totient is φ = 45368849700.

The previous prime is 46881144703. The next prime is 46881144733. The reversal of 46881144721 is 12744118864.

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 46881144721 - 2²¹ = 46879047569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46881145721) 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, 756147465 + ... + 756147526.

It is an arithmetic number, because the mean of its divisors is an integer number (12098359936).

Almost surely, 2^46881144721 is an apocalyptic number.

It is an amenable number.

46881144721 is a deficient number, since it is larger than the sum of its proper divisors (1512295023).

46881144721 is a wasteful number, since it uses less digits than its factorization.

46881144721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512295022.

The product of its digits is 344064, while the sum is 46.

The spelling of 46881144721 in words is "forty-six billion, eight hundred eighty-one million, one hundred forty-four thousand, seven hundred twenty-one".