1290485346347 has 2 divisors, whose sum is σ = 1290485346348. Its totient is φ = 1290485346346.

The previous prime is 1290485346331. The next prime is 1290485346383. The reversal of 1290485346347 is 7436435840921.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7436435840921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1290485346347 - 2⁴ = 1290485346331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1290485346292 and 1290485346301.

It is not a weakly prime, because it can be changed into another prime (1290485346317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645242673173 + 645242673174.

It is an arithmetic number, because the mean of its divisors is an integer number (645242673174).

It is a 1-persistent number, because it is pandigital, but 2⋅1290485346347 = 2580970692694 is not.

Almost surely, 2^{1290485346347} is an apocalyptic number.

1290485346347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290485346347 is an equidigital number, since it uses as much as digits as its factorization.

1290485346347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 1290485346347 in words is "one trillion, two hundred ninety billion, four hundred eighty-five million, three hundred forty-six thousand, three hundred forty-seven".