2421043454 has 4 divisors (see below), whose sum is σ = 3631565184. Its totient is φ = 1210521726.

The previous prime is 2421043451. The next prime is 2421043477. The reversal of 2421043454 is 4543401242.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2421043454² = 11722902812312500232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421043451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605260862 + ... + 605260865.

It is an arithmetic number, because the mean of its divisors is an integer number (907891296).

Almost surely, 2^2421043454 is an apocalyptic number.

2421043454 is a deficient number, since it is larger than the sum of its proper divisors (1210521730).

2421043454 is a wasteful number, since it uses less digits than its factorization.

2421043454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210521729.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2421043454 is about 49204.0999714455. The cubic root of 2421043454 is about 1342.7676246789.

Adding to 2421043454 its reverse (4543401242), we get a palindrome (6964444696).

The spelling of 2421043454 in words is "two billion, four hundred twenty-one million, forty-three thousand, four hundred fifty-four".