2105241619 has 6 divisors (see below), whose sum is σ = 2279640516. Its totient is φ = 1943299800.

The previous prime is 2105241583. The next prime is 2105241683. The reversal of 2105241619 is 9161425012.

It is not a de Polignac number, because 2105241619 - 2⁹ = 2105241107 is a prime.

It is a super-2 number, since 2×2105241619² = 8864084548739482322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105241119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6228357 + ... + 6228694.

It is an arithmetic number, because the mean of its divisors is an integer number (379940086).

Almost surely, 2^2105241619 is an apocalyptic number.

2105241619 is a deficient number, since it is larger than the sum of its proper divisors (174398897).

2105241619 is a wasteful number, since it uses less digits than its factorization.

2105241619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457077 (or 12457064 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2105241619 is about 45882.9120588482. The cubic root of 2105241619 is about 1281.6437254879.

The spelling of 2105241619 in words is "two billion, one hundred five million, two hundred forty-one thousand, six hundred nineteen".