1715001384449 has 2 divisors, whose sum is σ = 1715001384450. Its totient is φ = 1715001384448.

The previous prime is 1715001384413. The next prime is 1715001384487. The reversal of 1715001384449 is 9444831005171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1710882312049 + 4119072400 = 1308007^2 + 64180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1715001384449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1715001384049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857500692224 + 857500692225.

It is an arithmetic number, because the mean of its divisors is an integer number (857500692225).

Almost surely, 2^{1715001384449} is an apocalyptic number.

It is an amenable number.

1715001384449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1715001384449 is an equidigital number, since it uses as much as digits as its factorization.

1715001384449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 1715001384449 in words is "one trillion, seven hundred fifteen billion, one million, three hundred eighty-four thousand, four hundred forty-nine".