2105405341 has 8 divisors (see below), whose sum is σ = 2400733944. Its totient is φ = 1829130240.

The previous prime is 2105405321. The next prime is 2105405381. The reversal of 2105405341 is 1435045012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 710009316 + 1395396025 = 26646^2 + 37355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105405341 is a prime.

It is a super-2 number, since 2×2105405341² = 8865463299822652562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105405321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4763140 + ... + 4763581.

It is an arithmetic number, because the mean of its divisors is an integer number (300091743).

Almost surely, 2^2105405341 is an apocalyptic number.

It is an amenable number.

2105405341 is a deficient number, since it is larger than the sum of its proper divisors (295328603).

2105405341 is a wasteful number, since it uses less digits than its factorization.

2105405341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526751.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2105405341 is about 45884.6961524210. The cubic root of 2105405341 is about 1281.6769485684.

The spelling of 2105405341 in words is "two billion, one hundred five million, four hundred five thousand, three hundred forty-one".