2421010655389 has 4 divisors (see below), whose sum is σ = 2526271988256. Its totient is φ = 2315749322524.

The previous prime is 2421010655387. The next prime is 2421010655407. The reversal of 2421010655389 is 9835560101242.

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 2421010655389 - 2¹ = 2421010655387 is a prime.

It is a super-2 number, since 2×2421010655389² (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 (2421010655387) 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, 52630666399 + ... + 52630666444.

It is an arithmetic number, because the mean of its divisors is an integer number (631567997064).

Almost surely, 2^{2421010655389} is an apocalyptic number.

It is an amenable number.

2421010655389 is a deficient number, since it is larger than the sum of its proper divisors (105261332867).

2421010655389 is a wasteful number, since it uses less digits than its factorization.

2421010655389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105261332866.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 2421010655389 in words is "two trillion, four hundred twenty-one billion, ten million, six hundred fifty-five thousand, three hundred eighty-nine".