10305404405 has 4 divisors (see below), whose sum is σ = 12366485292. Its totient is φ = 8244323520.

The previous prime is 10305404399. The next prime is 10305404413. The reversal of 10305404405 is 50440450301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50440450301 = 181 ⋅278676521.

It can be written as a sum of positive squares in 2 ways, for example, as 6712361041 + 3593043364 = 81929^2 + 59942^2 .

It is not a de Polignac number, because 10305404405 - 2⁶ = 10305404341 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 1030540436 + ... + 1030540445.

It is an arithmetic number, because the mean of its divisors is an integer number (3091621323).

Almost surely, 2^10305404405 is an apocalyptic number.

It is an amenable number.

10305404405 is a deficient number, since it is larger than the sum of its proper divisors (2061080887).

10305404405 is an equidigital number, since it uses as much as digits as its factorization.

10305404405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061080886.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 10305404405 its reverse (50440450301), we get a palindrome (60745854706).

The spelling of 10305404405 in words is "ten billion, three hundred five million, four hundred four thousand, four hundred five".