4543993454 has 128 divisors (see below), whose sum is σ = 9518874624. Its totient is φ = 1569456000.

The previous prime is 4543993451. The next prime is 4543993457.

4543993454 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (4543993451) and next prime (4543993457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4543993451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13094909 + ... + 13095255.

It is an arithmetic number, because the mean of its divisors is an integer number (74366208).

Almost surely, 2^4543993454 is an apocalyptic number.

4543993454 is an abundant number, since it is smaller than the sum of its proper divisors (4974881170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4543993454 is a wasteful number, since it uses less digits than its factorization.

4543993454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its digits is 4665600, while the sum is 50.

The square root of 4543993454 is about 67409.1496311888. The cubic root of 4543993454 is about 1656.3263044110.

The spelling of 4543993454 in words is "four billion, five hundred forty-three million, nine hundred ninety-three thousand, four hundred fifty-four".