1202747472989 has 2 divisors, whose sum is σ = 1202747472990. Its totient is φ = 1202747472988.

The previous prime is 1202747472977. The next prime is 1202747473043. The reversal of 1202747472989 is 9892747472021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1155534701764 + 47212771225 = 1074958^2 + 217285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202747472989 - 2¹⁶ = 1202747407453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202747474989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601373736494 + 601373736495.

It is an arithmetic number, because the mean of its divisors is an integer number (601373736495).

Almost surely, 2^{1202747472989} is an apocalyptic number.

It is an amenable number.

1202747472989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202747472989 is an equidigital number, since it uses as much as digits as its factorization.

1202747472989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 1202747472989 in words is "one trillion, two hundred two billion, seven hundred forty-seven million, four hundred seventy-two thousand, nine hundred eighty-nine".