1302242144393 has 2 divisors, whose sum is σ = 1302242144394. Its totient is φ = 1302242144392.

The previous prime is 1302242144369. The next prime is 1302242144473. The reversal of 1302242144393 is 3934412422031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038958219849 + 263283924544 = 1019293^2 + 513112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302242144393 - 2³⁴ = 1285062275209 is a prime.

It is a super-2 number, since 2×1302242144393² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1302242144293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651121072196 + 651121072197.

It is an arithmetic number, because the mean of its divisors is an integer number (651121072197).

Almost surely, 2^{1302242144393} is an apocalyptic number.

It is an amenable number.

1302242144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302242144393 is an equidigital number, since it uses as much as digits as its factorization.

1302242144393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 1302242144393 in words is "one trillion, three hundred two billion, two hundred forty-two million, one hundred forty-four thousand, three hundred ninety-three".