5945684021 has 4 divisors (see below), whose sum is σ = 5970561600. Its totient is φ = 5920806444.

The previous prime is 5945684011. The next prime is 5945684033. The reversal of 5945684021 is 1204865495.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1204865495 = 5 ⋅240973099.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5945684021 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 (5945684011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12438431 + ... + 12438908.

It is an arithmetic number, because the mean of its divisors is an integer number (1492640400).

Almost surely, 2^5945684021 is an apocalyptic number.

It is an amenable number.

5945684021 is a deficient number, since it is larger than the sum of its proper divisors (24877579).

5945684021 is a wasteful number, since it uses less digits than its factorization.

5945684021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24877578.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 5945684021 is about 77108.2616909498. The cubic root of 5945684021 is about 1811.6207028563.

The spelling of 5945684021 in words is "five billion, nine hundred forty-five million, six hundred eighty-four thousand, twenty-one".