407961322243 has 16 divisors (see below), whose sum is σ = 422878339072. Its totient is φ = 393155532000.

The previous prime is 407961322207. The next prime is 407961322247. The reversal of 407961322243 is 342223169704.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407961322243 is a prime.

It is the 638719-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 407961322243.

It is not an unprimeable number, because it can be changed into a prime (407961322247) by changing a digit.

It is a nontrivial repunit in base 638718.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19404205 + ... + 19425217.

It is an arithmetic number, because the mean of its divisors is an integer number (26429896192).

Almost surely, 2^407961322243 is an apocalyptic number.

407961322243 is a deficient number, since it is larger than the sum of its proper divisors (14917016829).

407961322243 is a wasteful number, since it uses less digits than its factorization.

407961322243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 407961322243 in words is "four hundred seven billion, nine hundred sixty-one million, three hundred twenty-two thousand, two hundred forty-three".