2141591745 has 64 divisors (see below), whose sum is σ = 3912572160. Its totient is φ = 993484800.

The previous prime is 2141591743. The next prime is 2141591761. The reversal of 2141591745 is 5471951412.

It is a happy number.

2141591745 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2141591745 - 2¹ = 2141591743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2141591743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193255 + ... + 204035.

It is an arithmetic number, because the mean of its divisors is an integer number (61133940).

Almost surely, 2^2141591745 is an apocalyptic number.

It is an amenable number.

2141591745 is a deficient number, since it is larger than the sum of its proper divisors (1770980415).

2141591745 is a wasteful number, since it uses less digits than its factorization.

2141591745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866.

The product of its digits is 50400, while the sum is 39.

The square root of 2141591745 is about 46277.3351112615. The cubic root of 2141591745 is about 1288.9781674255.

The spelling of 2141591745 in words is "two billion, one hundred forty-one million, five hundred ninety-one thousand, seven hundred forty-five".