1297350073507 has 2 divisors, whose sum is σ = 1297350073508. Its totient is φ = 1297350073506.

The previous prime is 1297350073489. The next prime is 1297350073541. The reversal of 1297350073507 is 7053700537921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1297350073507 - 2¹⁵ = 1297350040739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1297350076507) 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, 648675036753 + 648675036754.

It is an arithmetic number, because the mean of its divisors is an integer number (648675036754).

Almost surely, 2^{1297350073507} is an apocalyptic number.

1297350073507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297350073507 is an equidigital number, since it uses as much as digits as its factorization.

1297350073507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1389150, while the sum is 49.

The spelling of 1297350073507 in words is "one trillion, two hundred ninety-seven billion, three hundred fifty million, seventy-three thousand, five hundred seven".