1475408408477 has 2 divisors, whose sum is σ = 1475408408478. Its totient is φ = 1475408408476.

The previous prime is 1475408408371. The next prime is 1475408408491. The reversal of 1475408408477 is 7748048045741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 908563550596 + 566844857881 = 953186^2 + 752891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1475408408477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1475408408777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 737704204238 + 737704204239.

It is an arithmetic number, because the mean of its divisors is an integer number (737704204239).

Almost surely, 2^{1475408408477} is an apocalyptic number.

It is an amenable number.

1475408408477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1475408408477 is an equidigital number, since it uses as much as digits as its factorization.

1475408408477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28098560, while the sum is 59.

The spelling of 1475408408477 in words is "one trillion, four hundred seventy-five billion, four hundred eight million, four hundred eight thousand, four hundred seventy-seven".