5945990845 has 4 divisors (see below), whose sum is σ = 7135189020. Its totient is φ = 4756792672.

The previous prime is 5945990803. The next prime is 5945990857. The reversal of 5945990845 is 5480995495.

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 1383393636 + 4562597209 = 37194^2 + 67547^2 .

It is a cyclic number.

It is not a de Polignac number, because 5945990845 - 2¹⁹ = 5945466557 is a prime.

It is a super-4 number, since 4×5945990845⁴ (a number of 40 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5945990845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594599080 + ... + 594599089.

It is an arithmetic number, because the mean of its divisors is an integer number (1783797255).

Almost surely, 2^5945990845 is an apocalyptic number.

It is an amenable number.

5945990845 is a deficient number, since it is larger than the sum of its proper divisors (1189198175).

5945990845 is a wasteful number, since it uses less digits than its factorization.

5945990845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189198174.

The product of its (nonzero) digits is 11664000, while the sum is 58.

The square root of 5945990845 is about 77110.2512315970. The cubic root of 5945990845 is about 1811.6518649086.

The spelling of 5945990845 in words is "five billion, nine hundred forty-five million, nine hundred ninety thousand, eight hundred forty-five".