2420340643351 has 4 divisors (see below), whose sum is σ = 2471837252832. Its totient is φ = 2368844033872.

The previous prime is 2420340643333. The next prime is 2420340643363. The reversal of 2420340643351 is 1533460430242.

2420340643351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2420340643351 - 2⁵ = 2420340643319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420340643351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420340613351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25748304670 + ... + 25748304763.

It is an arithmetic number, because the mean of its divisors is an integer number (617959313208).

Almost surely, 2^{2420340643351} is an apocalyptic number.

2420340643351 is a deficient number, since it is larger than the sum of its proper divisors (51496609481).

2420340643351 is an equidigital number, since it uses as much as digits as its factorization.

2420340643351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51496609480.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 2420340643351 in words is "two trillion, four hundred twenty billion, three hundred forty million, six hundred forty-three thousand, three hundred fifty-one".