1505896673 has 2 divisors, whose sum is σ = 1505896674. Its totient is φ = 1505896672.

The previous prime is 1505896649. The next prime is 1505896729. The reversal of 1505896673 is 3766985051.

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., 1493590609 + 12306064 = 38647^2 + 3508^2 .

It is an emirp because it is prime and its reverse (3766985051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1505896673 - 2¹⁴ = 1505880289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1505896603) 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, 752948336 + 752948337.

It is an arithmetic number, because the mean of its divisors is an integer number (752948337).

Almost surely, 2^1505896673 is an apocalyptic number.

It is an amenable number.

1505896673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505896673 is an equidigital number, since it uses as much as digits as its factorization.

1505896673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 1505896673 is about 38805.8845151093. The cubic root of 1505896673 is about 1146.2122825126.

The spelling of 1505896673 in words is "one billion, five hundred five million, eight hundred ninety-six thousand, six hundred seventy-three".