1009427276101 has 4 divisors (see below), whose sum is σ = 1036709094412. Its totient is φ = 982145457792.

The previous prime is 1009427276063. The next prime is 1009427276111. The reversal of 1009427276101 is 1016727249001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 545162199201 + 464265076900 = 738351^2 + 681370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009427276101 - 2¹⁹ = 1009426751813 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 (1009427276111) 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 in 3 ways as a sum of consecutive naturals, for example, 13640909100 + ... + 13640909173.

It is an arithmetic number, because the mean of its divisors is an integer number (259177273603).

Almost surely, 2^{1009427276101} is an apocalyptic number.

It is an amenable number.

1009427276101 is a deficient number, since it is larger than the sum of its proper divisors (27281818311).

1009427276101 is an equidigital number, since it uses as much as digits as its factorization.

1009427276101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27281818310.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 1009427276101 in words is "one trillion, nine billion, four hundred twenty-seven million, two hundred seventy-six thousand, one hundred one".