1427150165109 has 4 divisors (see below), whose sum is σ = 1902866886816. Its totient is φ = 951433443404.

The previous prime is 1427150165101. The next prime is 1427150165123. The reversal of 1427150165109 is 9015610517241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1427150165109 - 2³ = 1427150165101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427150165101) 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, 237858360849 + ... + 237858360854.

It is an arithmetic number, because the mean of its divisors is an integer number (475716721704).

Almost surely, 2^{1427150165109} is an apocalyptic number.

It is an amenable number.

1427150165109 is a deficient number, since it is larger than the sum of its proper divisors (475716721707).

1427150165109 is an equidigital number, since it uses as much as digits as its factorization.

1427150165109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475716721706.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 1427150165109 in words is "one trillion, four hundred twenty-seven billion, one hundred fifty million, one hundred sixty-five thousand, one hundred nine".