2421254218346 has 16 divisors (see below), whose sum is σ = 3677919181440. Its totient is φ = 1195281696960.

The previous prime is 2421254218321. The next prime is 2421254218367. The reversal of 2421254218346 is 6438124521242.

It is a super-3 number, since 3×2421254218346³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421254218297 and 2421254218306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12790466 + ... + 12978386.

It is an arithmetic number, because the mean of its divisors is an integer number (229869948840).

Almost surely, 2^{2421254218346} is an apocalyptic number.

2421254218346 is a deficient number, since it is larger than the sum of its proper divisors (1256664963094).

2421254218346 is a wasteful number, since it uses less digits than its factorization.

2421254218346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269549.

The product of its digits is 737280, while the sum is 44.

Adding to 2421254218346 its reverse (6438124521242), we get a palindrome (8859378739588).

The spelling of 2421254218346 in words is "two trillion, four hundred twenty-one billion, two hundred fifty-four million, two hundred eighteen thousand, three hundred forty-six".