4454606243405 has 4 divisors (see below), whose sum is σ = 5345527492092. Its totient is φ = 3563684994720.

The previous prime is 4454606243393. The next prime is 4454606243413. The reversal of 4454606243405 is 5043426064544.

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 886749922276 + 3567856321129 = 941674^2 + 1888877^2 .

It is not a de Polignac number, because 4454606243405 - 2¹⁸ = 4454605981261 is a prime.

It is a super-2 number, since 2×4454606243405² (a number of 26 digits) contains 22 as substring.

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 4454606243405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445460624336 + ... + 445460624345.

It is an arithmetic number, because the mean of its divisors is an integer number (1336381873023).

Almost surely, 2^{4454606243405} is an apocalyptic number.

It is an amenable number.

4454606243405 is a deficient number, since it is larger than the sum of its proper divisors (890921248687).

4454606243405 is an equidigital number, since it uses as much as digits as its factorization.

4454606243405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890921248686.

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 4454606243405 in words is "four trillion, four hundred fifty-four billion, six hundred six million, two hundred forty-three thousand, four hundred five".