2421204353351 has 4 divisors (see below), whose sum is σ = 2767090689552. Its totient is φ = 2075318017152.

The previous prime is 2421204353299. The next prime is 2421204353363. The reversal of 2421204353351 is 1533534021242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421204353351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421204355351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172943168090 + ... + 172943168103.

It is an arithmetic number, because the mean of its divisors is an integer number (691772672388).

Almost surely, 2^{2421204353351} is an apocalyptic number.

2421204353351 is a deficient number, since it is larger than the sum of its proper divisors (345886336201).

2421204353351 is an equidigital number, since it uses as much as digits as its factorization.

2421204353351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345886336200.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 2421204353351 its reverse (1533534021242), we get a palindrome (3954738374593).

The spelling of 2421204353351 in words is "two trillion, four hundred twenty-one billion, two hundred four million, three hundred fifty-three thousand, three hundred fifty-one".