2190964743 has 24 divisors (see below), whose sum is σ = 3655516176. Its totient is φ = 1249747200.

The previous prime is 2190964739. The next prime is 2190964759. The reversal of 2190964743 is 3474690912.

It is a happy number.

2190964743 is a `hidden beast` number, since 2 + 1 + 90 + 96 + 474 + 3 = 666.

It is not a de Polignac number, because 2190964743 - 2² = 2190964739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190964793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 649228 + ... + 652593.

It is an arithmetic number, because the mean of its divisors is an integer number (152313174).

Almost surely, 2^2190964743 is an apocalyptic number.

2190964743 is a deficient number, since it is larger than the sum of its proper divisors (1464551433).

2190964743 is a wasteful number, since it uses less digits than its factorization.

2190964743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301855 (or 1301852 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2190964743 is about 46807.7423403437. The cubic root of 2190964743 is about 1298.8085223229.

The spelling of 2190964743 in words is "two billion, one hundred ninety million, nine hundred sixty-four thousand, seven hundred forty-three".