1472175891449 has 2 divisors, whose sum is σ = 1472175891450. Its totient is φ = 1472175891448.

The previous prime is 1472175891413. The next prime is 1472175891541. The reversal of 1472175891449 is 9441985712741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799951360000 + 672224531449 = 894400^2 + 819893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1472175891449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1472175891391 and 1472175891400.

It is not a weakly prime, because it can be changed into another prime (1472175891049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736087945724 + 736087945725.

It is an arithmetic number, because the mean of its divisors is an integer number (736087945725).

Almost surely, 2^{1472175891449} is an apocalyptic number.

It is an amenable number.

1472175891449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472175891449 is an equidigital number, since it uses as much as digits as its factorization.

1472175891449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 62.

The spelling of 1472175891449 in words is "one trillion, four hundred seventy-two billion, one hundred seventy-five million, eight hundred ninety-one thousand, four hundred forty-nine".