2141945475 has 12 divisors (see below), whose sum is σ = 3541349976. Its totient is φ = 1142370880.

The previous prime is 2141945473. The next prime is 2141945483. The reversal of 2141945475 is 5745491412.

It is not a de Polignac number, because 2141945475 - 2¹ = 2141945473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2141945473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14279562 + ... + 14279711.

It is an arithmetic number, because the mean of its divisors is an integer number (295112498).

Almost surely, 2^2141945475 is an apocalyptic number.

2141945475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2141945475 is a deficient number, since it is larger than the sum of its proper divisors (1399404501).

2141945475 is a wasteful number, since it uses less digits than its factorization.

2141945475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28559286 (or 28559281 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 2141945475 is about 46281.1568027421. The cubic root of 2141945475 is about 1289.0491310202.

The spelling of 2141945475 in words is "two billion, one hundred forty-one million, nine hundred forty-five thousand, four hundred seventy-five".