10656050621 has 2 divisors, whose sum is σ = 10656050622. Its totient is φ = 10656050620.

The previous prime is 10656050597. The next prime is 10656050677. The reversal of 10656050621 is 12605065601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10651272025 + 4778596 = 103205^2 + 2186^2 .

It is an emirp because it is prime and its reverse (12605065601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10656050621 - 2¹⁰ = 10656049597 is a prime.

It is a super-2 number, since 2×10656050621² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10656050221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328025310 + 5328025311.

It is an arithmetic number, because the mean of its divisors is an integer number (5328025311).

Almost surely, 2^10656050621 is an apocalyptic number.

It is an amenable number.

10656050621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10656050621 is an equidigital number, since it uses as much as digits as its factorization.

10656050621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 10656050621 in words is "ten billion, six hundred fifty-six million, fifty thousand, six hundred twenty-one".