2468320029781 has 4 divisors (see below), whose sum is σ = 2499564587200. Its totient is φ = 2437075472364.

The previous prime is 2468320029761. The next prime is 2468320029793. The reversal of 2468320029781 is 1879200238642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2468320029781 - 2⁹ = 2468320029269 is a prime.

It is a super-2 number, since 2×2468320029781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2468320029761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15622278591 + ... + 15622278748.

It is an arithmetic number, because the mean of its divisors is an integer number (624891146800).

Almost surely, 2^{2468320029781} is an apocalyptic number.

It is an amenable number.

2468320029781 is a deficient number, since it is larger than the sum of its proper divisors (31244557419).

2468320029781 is an equidigital number, since it uses as much as digits as its factorization.

2468320029781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31244557418.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2468320029781 in words is "two trillion, four hundred sixty-eight billion, three hundred twenty million, twenty-nine thousand, seven hundred eighty-one".