2421562335261 has 8 divisors (see below), whose sum is σ = 3281680104864. Its totient is φ = 1587909727920.

The previous prime is 2421562335259. The next prime is 2421562335289. The reversal of 2421562335261 is 1625332651242.

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

It is not a de Polignac number, because 2421562335261 - 2¹ = 2421562335259 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421562335061) 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 7 ways as a sum of consecutive naturals, for example, 6616290351 + ... + 6616290716.

It is an arithmetic number, because the mean of its divisors is an integer number (410210013108).

Almost surely, 2^{2421562335261} is an apocalyptic number.

It is an amenable number.

2421562335261 is a deficient number, since it is larger than the sum of its proper divisors (860117769603).

2421562335261 is a wasteful number, since it uses less digits than its factorization.

2421562335261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232581131.

The product of its digits is 518400, while the sum is 42.

The spelling of 2421562335261 in words is "two trillion, four hundred twenty-one billion, five hundred sixty-two million, three hundred thirty-five thousand, two hundred sixty-one".