1497972904609 has 2 divisors, whose sum is σ = 1497972904610. Its totient is φ = 1497972904608.

The previous prime is 1497972904543. The next prime is 1497972904619. The reversal of 1497972904609 is 9064092797941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1434657763984 + 63315140625 = 1197772^2 + 251625^2 .

It is an emirp because it is prime and its reverse (9064092797941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1497972904609 - 2³¹ = 1495825420961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1497972904619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748986452304 + 748986452305.

It is an arithmetic number, because the mean of its divisors is an integer number (748986452305).

Almost surely, 2^{1497972904609} is an apocalyptic number.

It is an amenable number.

1497972904609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497972904609 is an equidigital number, since it uses as much as digits as its factorization.

1497972904609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61725888, while the sum is 67.

The spelling of 1497972904609 in words is "one trillion, four hundred ninety-seven billion, nine hundred seventy-two million, nine hundred four thousand, six hundred nine".