5450450643 has 24 divisors (see below), whose sum is σ = 8640043776. Its totient is φ = 3283513200.

The previous prime is 5450450639. The next prime is 5450450653. The reversal of 5450450643 is 3460540545.

5450450643 is a `hidden beast` number, since 5 + 4 + 5 + 0 + 4 + 5 + 0 + 643 = 666.

5450450643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5450450643 - 2² = 5450450639 is a prime.

It is a super-2 number, since 2×5450450643² = 59414824423558226898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5450450598 and 5450450607.

It is not an unprimeable number, because it can be changed into a prime (5450450653) 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, 148303 + ... + 181368.

It is an arithmetic number, because the mean of its divisors is an integer number (360001824).

Almost surely, 2^5450450643 is an apocalyptic number.

5450450643 is a deficient number, since it is larger than the sum of its proper divisors (3189593133).

5450450643 is a wasteful number, since it uses less digits than its factorization.

5450450643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329855 (or 329852 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 5450450643 is about 73827.1673775989. The cubic root of 5450450643 is about 1759.8573665187.

The spelling of 5450450643 in words is "five billion, four hundred fifty million, four hundred fifty thousand, six hundred forty-three".