46421773393 has 4 divisors (see below), whose sum is σ = 46436153140. Its totient is φ = 46407393648.

The previous prime is 46421773381. The next prime is 46421773417. The reversal of 46421773393 is 39337712464.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17515993104 + 28905780289 = 132348^2 + 170017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46421773393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46421773373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7185030 + ... + 7191487.

It is an arithmetic number, because the mean of its divisors is an integer number (11609038285).

Almost surely, 2^46421773393 is an apocalyptic number.

It is an amenable number.

46421773393 is a deficient number, since it is larger than the sum of its proper divisors (14379747).

46421773393 is a wasteful number, since it uses less digits than its factorization.

46421773393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379746.

The product of its digits is 2286144, while the sum is 49.

The spelling of 46421773393 in words is "forty-six billion, four hundred twenty-one million, seven hundred seventy-three thousand, three hundred ninety-three".