1302209969453 has 2 divisors, whose sum is σ = 1302209969454. Its totient is φ = 1302209969452.

The previous prime is 1302209969393. The next prime is 1302209969477. The reversal of 1302209969453 is 3549699022031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1295640380644 + 6569588809 = 1138262^2 + 81053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302209969453 - 2¹⁰ = 1302209968429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302209969395 and 1302209969404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302209969953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651104984726 + 651104984727.

It is an arithmetic number, because the mean of its divisors is an integer number (651104984727).

Almost surely, 2^{1302209969453} is an apocalyptic number.

It is an amenable number.

1302209969453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302209969453 is an equidigital number, since it uses as much as digits as its factorization.

1302209969453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 1302209969453 in words is "one trillion, three hundred two billion, two hundred nine million, nine hundred sixty-nine thousand, four hundred fifty-three".