9955456433 has 4 divisors (see below), whose sum is σ = 10721260788. Its totient is φ = 9189652080.

The previous prime is 9955456421. The next prime is 9955456457. The reversal of 9955456433 is 3346545599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3346545599 = 2909 ⋅1150411.

It can be written as a sum of positive squares in 2 ways, for example, as 3907750144 + 6047706289 = 62512^2 + 77767^2 .

It is a cyclic number.

It is not a de Polignac number, because 9955456433 - 2⁴ = 9955456417 is a prime.

It is a super-2 number, since 2×9955456433² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9955456463) 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, 382902158 + ... + 382902183.

It is an arithmetic number, because the mean of its divisors is an integer number (2680315197).

Almost surely, 2^9955456433 is an apocalyptic number.

It is an amenable number.

9955456433 is a deficient number, since it is larger than the sum of its proper divisors (765804355).

9955456433 is a wasteful number, since it uses less digits than its factorization.

9955456433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765804354.

The product of its digits is 8748000, while the sum is 53.

The square root of 9955456433 is about 99777.0335949110. The cubic root of 9955456433 is about 2151.2310550699.

The spelling of 9955456433 in words is "nine billion, nine hundred fifty-five million, four hundred fifty-six thousand, four hundred thirty-three".