1475031148469 has 2 divisors, whose sum is σ = 1475031148470. Its totient is φ = 1475031148468.

The previous prime is 1475031148447. The next prime is 1475031148501. The reversal of 1475031148469 is 9648411305741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770950729444 + 704080419025 = 878038^2 + 839095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1475031148469 is a prime.

It is a super-2 number, since 2×1475031148469² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1475031148469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1475031148369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737515574234 + 737515574235.

It is an arithmetic number, because the mean of its divisors is an integer number (737515574235).

Almost surely, 2^{1475031148469} is an apocalyptic number.

It is an amenable number.

1475031148469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475031148469 is an equidigital number, since it uses as much as digits as its factorization.

1475031148469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 1475031148469 in words is "one trillion, four hundred seventy-five billion, thirty-one million, one hundred forty-eight thousand, four hundred sixty-nine".