4413521873956 has 24 divisors (see below), whose sum is σ = 8317895544504. Its totient is φ = 2036984547840.

The previous prime is 4413521873939. The next prime is 4413521874011. The reversal of 4413521873956 is 6593781253144.

It can be written as a sum of positive squares in 4 ways, for example, as 94673136100 + 4318848737856 = 307690^2 + 2078184^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4413521873956.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4025436 + ... + 5003116.

It is an arithmetic number, because the mean of its divisors is an integer number (346578981021).

Almost surely, 2^{4413521873956} is an apocalyptic number.

It is an amenable number.

4413521873956 is a deficient number, since it is larger than the sum of its proper divisors (3904373670548).

4413521873956 is a wasteful number, since it uses less digits than its factorization.

4413521873956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064511 (or 1064509 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 4413521873956 in words is "four trillion, four hundred thirteen billion, five hundred twenty-one million, eight hundred seventy-three thousand, nine hundred fifty-six".