1009665593228 has 6 divisors (see below), whose sum is σ = 1766914788156. Its totient is φ = 504832796612.

The previous prime is 1009665593221. The next prime is 1009665593267. The reversal of 1009665593228 is 8223955669001.

It is a super-2 number, since 2×1009665593228² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1009665593221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126208199150 + ... + 126208199157.

It is an arithmetic number, because the mean of its divisors is an integer number (294485798026).

Almost surely, 2^{1009665593228} is an apocalyptic number.

It is an amenable number.

1009665593228 is a deficient number, since it is larger than the sum of its proper divisors (757249194928).

1009665593228 is a wasteful number, since it uses less digits than its factorization.

1009665593228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252416398311 (or 252416398309 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 1009665593228 in words is "one trillion, nine billion, six hundred sixty-five million, five hundred ninety-three thousand, two hundred twenty-eight".