2421554343 has 16 divisors (see below), whose sum is σ = 3509606016. Its totient is φ = 1476257760.

The previous prime is 2421554309. The next prime is 2421554347. The reversal of 2421554343 is 3434551242.

It is not a de Polignac number, because 2421554343 - 2¹⁸ = 2421292199 is a prime.

It is a super-2 number, since 2×2421554343² = 11727850872204323298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421554347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285973 + ... + 294318.

It is an arithmetic number, because the mean of its divisors is an integer number (219350376).

Almost surely, 2^2421554343 is an apocalyptic number.

2421554343 is a deficient number, since it is larger than the sum of its proper divisors (1088051673).

2421554343 is a wasteful number, since it uses less digits than its factorization.

2421554343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580414.

The product of its digits is 57600, while the sum is 33.

The square root of 2421554343 is about 49209.2912263528. The cubic root of 2421554343 is about 1342.8620683866.

The spelling of 2421554343 in words is "two billion, four hundred twenty-one million, five hundred fifty-four thousand, three hundred forty-three".