1485636457 has 2 divisors, whose sum is σ = 1485636458. Its totient is φ = 1485636456.

The previous prime is 1485636419. The next prime is 1485636487. The reversal of 1485636457 is 7546365841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481018256 + 4618201 = 38484^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485636457 - 2²⁷ = 1351418729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1485636457.

It is not a weakly prime, because it can be changed into another prime (1485636487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742818228 + 742818229.

It is an arithmetic number, because the mean of its divisors is an integer number (742818229).

Almost surely, 2^1485636457 is an apocalyptic number.

It is an amenable number.

1485636457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485636457 is an equidigital number, since it uses as much as digits as its factorization.

1485636457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The square root of 1485636457 is about 38543.9548697328. The cubic root of 1485636457 is about 1141.0487059057.

The spelling of 1485636457 in words is "one billion, four hundred eighty-five million, six hundred thirty-six thousand, four hundred fifty-seven".