10550394409 has 2 divisors, whose sum is σ = 10550394410. Its totient is φ = 10550394408.

The previous prime is 10550394367. The next prime is 10550394433. The reversal of 10550394409 is 90449305501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6187395600 + 4362998809 = 78660^2 + 66053^2 .

It is a cyclic number.

It is not a de Polignac number, because 10550394409 - 2¹⁵ = 10550361641 is a prime.

It is a super-2 number, since 2×10550394409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10550394109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275197204 + 5275197205.

It is an arithmetic number, because the mean of its divisors is an integer number (5275197205).

Almost surely, 2^10550394409 is an apocalyptic number.

It is an amenable number.

10550394409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550394409 is an equidigital number, since it uses as much as digits as its factorization.

10550394409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 10550394409 in words is "ten billion, five hundred fifty million, three hundred ninety-four thousand, four hundred nine".