1009448132567 has 4 divisors (see below), whose sum is σ = 1153655008656. Its totient is φ = 865241256480.

The previous prime is 1009448132551. The next prime is 1009448132591. The reversal of 1009448132567 is 7652318449001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1009448132567 - 2⁴ = 1009448132551 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 (1009448132507) 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, 72103438034 + ... + 72103438047.

It is an arithmetic number, because the mean of its divisors is an integer number (288413752164).

It is a 1-persistent number, because it is pandigital, but 2⋅1009448132567 = 2018896265134 is not.

Almost surely, 2^{1009448132567} is an apocalyptic number.

1009448132567 is a deficient number, since it is larger than the sum of its proper divisors (144206876089).

1009448132567 is an equidigital number, since it uses as much as digits as its factorization.

1009448132567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144206876088.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 1009448132567 in words is "one trillion, nine billion, four hundred forty-eight million, one hundred thirty-two thousand, five hundred sixty-seven".