2105403430 has 64 divisors (see below), whose sum is σ = 4165918848. Its totient is φ = 761425920.

The previous prime is 2105403427. The next prime is 2105403449. The reversal of 2105403430 is 343045012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298020 + ... + 1299640.

It is an arithmetic number, because the mean of its divisors is an integer number (65092482).

Almost surely, 2^2105403430 is an apocalyptic number.

2105403430 is a deficient number, since it is larger than the sum of its proper divisors (2060515418).

2105403430 is a wasteful number, since it uses less digits than its factorization.

2105403430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2105403430 is about 45884.6753284798. The cubic root of 2105403430 is about 1281.6765607910.

Adding to 2105403430 its reverse (343045012), we get a palindrome (2448448442).

The spelling of 2105403430 in words is "two billion, one hundred five million, four hundred three thousand, four hundred thirty".