2461802056421 has 8 divisors (see below), whose sum is σ = 2506962108888. Its totient is φ = 2416796928000.

The previous prime is 2461802056409. The next prime is 2461802056423. The reversal of 2461802056421 is 1246502081642.

It can be written as a sum of positive squares in 4 ways, for example, as 14098000225 + 2447704056196 = 118735^2 + 1564514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2461802056421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461802056423) 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 7 ways as a sum of consecutive naturals, for example, 38698940 + ... + 38762501.

It is an arithmetic number, because the mean of its divisors is an integer number (313370263611).

Almost surely, 2^{2461802056421} is an apocalyptic number.

It is an amenable number.

2461802056421 is a deficient number, since it is larger than the sum of its proper divisors (45160052467).

2461802056421 is an equidigital number, since it uses as much as digits as its factorization.

2461802056421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77462023.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 2461802056421 in words is "two trillion, four hundred sixty-one billion, eight hundred two million, fifty-six thousand, four hundred twenty-one".