1306252300009 has 2 divisors, whose sum is σ = 1306252300010. Its totient is φ = 1306252300008.

The previous prime is 1306252299959. The next prime is 1306252300021. The reversal of 1306252300009 is 9000032526031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1124373933225 + 181878366784 = 1060365^2 + 426472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306252300009 - 2²¹ = 1306250202857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1306252300079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653126150004 + 653126150005.

It is an arithmetic number, because the mean of its divisors is an integer number (653126150005).

Almost surely, 2^{1306252300009} is an apocalyptic number.

It is an amenable number.

1306252300009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306252300009 is an equidigital number, since it uses as much as digits as its factorization.

1306252300009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 1306252300009 in words is "one trillion, three hundred six billion, two hundred fifty-two million, three hundred thousand, nine".