2105471437 has 4 divisors (see below), whose sum is σ = 2229322716. Its totient is φ = 1981620160.

The previous prime is 2105471429. The next prime is 2105471443. The reversal of 2105471437 is 7341745012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1231027396 + 874444041 = 35086^2 + 29571^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105471437 - 2³ = 2105471429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105481437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61925614 + ... + 61925647.

It is an arithmetic number, because the mean of its divisors is an integer number (557330679).

Almost surely, 2^2105471437 is an apocalyptic number.

It is an amenable number.

2105471437 is a deficient number, since it is larger than the sum of its proper divisors (123851279).

2105471437 is a wasteful number, since it uses less digits than its factorization.

2105471437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123851278.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2105471437 is about 45885.4163869088. The cubic root of 2105471437 is about 1281.6903605278.

The spelling of 2105471437 in words is "two billion, one hundred five million, four hundred seventy-one thousand, four hundred thirty-seven".