10550821933 has 2 divisors, whose sum is σ = 10550821934. Its totient is φ = 10550821932.

The previous prime is 10550821907. The next prime is 10550821951. The reversal of 10550821933 is 33912805501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7296918084 + 3253903849 = 85422^2 + 57043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10550821933 is a prime.

It is a super-2 number, since 2×10550821933² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10550821892 and 10550821901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10550827933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275410966 + 5275410967.

It is an arithmetic number, because the mean of its divisors is an integer number (5275410967).

Almost surely, 2^10550821933 is an apocalyptic number.

It is an amenable number.

10550821933 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550821933 is an equidigital number, since it uses as much as digits as its factorization.

10550821933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 10550821933 in words is "ten billion, five hundred fifty million, eight hundred twenty-one thousand, nine hundred thirty-three".