5913661943 has 4 divisors (see below), whose sum is σ = 6758470800. Its totient is φ = 5068853088.

The previous prime is 5913661927. The next prime is 5913661967. The reversal of 5913661943 is 3491663195.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3491663195 = 5 ⋅698332639.

It is a cyclic number.

It is not a de Polignac number, because 5913661943 - 2⁴ = 5913661927 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 (5913661913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422404418 + ... + 422404431.

It is an arithmetic number, because the mean of its divisors is an integer number (1689617700).

Almost surely, 2^5913661943 is an apocalyptic number.

5913661943 is a deficient number, since it is larger than the sum of its proper divisors (844808857).

5913661943 is an equidigital number, since it uses as much as digits as its factorization.

5913661943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844808856.

The product of its digits is 524880, while the sum is 47.

The square root of 5913661943 is about 76900.3377300776. The cubic root of 5913661943 is about 1808.3625233020.

The spelling of 5913661943 in words is "five billion, nine hundred thirteen million, six hundred sixty-one thousand, nine hundred forty-three".