10628778433 has 32 divisors (see below), whose sum is σ = 13330437120. Its totient is φ = 8250189120.

The previous prime is 10628778431. The next prime is 10628778439. The reversal of 10628778433 is 33487782601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10628778433 - 2¹ = 10628778431 is a prime.

It is a super-2 number, since 2×10628778433² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10628778431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3063966 + ... + 3067432.

It is an arithmetic number, because the mean of its divisors is an integer number (416576160).

Almost surely, 2^10628778433 is an apocalyptic number.

10628778433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10628778433 is a deficient number, since it is larger than the sum of its proper divisors (2701658687).

10628778433 is a wasteful number, since it uses less digits than its factorization.

10628778433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 10628778433 in words is "ten billion, six hundred twenty-eight million, seven hundred seventy-eight thousand, four hundred thirty-three".