1009812291607 has 4 divisors (see below), whose sum is σ = 1154071190416. Its totient is φ = 865553392800.

The previous prime is 1009812291577. The next prime is 1009812291611. The reversal of 1009812291607 is 7061922189001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009812291607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009812291617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72129449394 + ... + 72129449407.

It is an arithmetic number, because the mean of its divisors is an integer number (288517797604).

Almost surely, 2^{1009812291607} is an apocalyptic number.

1009812291607 is a deficient number, since it is larger than the sum of its proper divisors (144258898809).

1009812291607 is an equidigital number, since it uses as much as digits as its factorization.

1009812291607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144258898808.

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 1009812291607 in words is "one trillion, nine billion, eight hundred twelve million, two hundred ninety-one thousand, six hundred seven".