2102444434 has 16 divisors (see below), whose sum is σ = 3358487448. Its totient is φ = 983663872.

The previous prime is 2102444431. The next prime is 2102444441. The reversal of 2102444434 is 4344442012.

It can be written as a sum of positive squares in 4 ways, for example, as 1893555225 + 208889209 = 43515^2 + 14453^2 .

It is not an unprimeable number, because it can be changed into a prime (2102444431) 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, 172837 + ... + 184600.

Almost surely, 2^2102444434 is an apocalyptic number.

2102444434 is a deficient number, since it is larger than the sum of its proper divisors (1256043014).

2102444434 is a wasteful number, since it uses less digits than its factorization.

2102444434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357629.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2102444434 is about 45852.4201542296. The cubic root of 2102444434 is about 1281.0758439503.

Adding to 2102444434 its reverse (4344442012), we get a palindrome (6446886446).

The spelling of 2102444434 in words is "two billion, one hundred two million, four hundred forty-four thousand, four hundred thirty-four".