1396341952289 has 2 divisors, whose sum is σ = 1396341952290. Its totient is φ = 1396341952288.

The previous prime is 1396341952259. The next prime is 1396341952301. The reversal of 1396341952289 is 9822591436931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854339733025 + 542002219264 = 924305^2 + 736208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396341952289 is a prime.

It is a super-3 number, since 3×1396341952289³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1396341952259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698170976144 + 698170976145.

It is an arithmetic number, because the mean of its divisors is an integer number (698170976145).

Almost surely, 2^{1396341952289} is an apocalyptic number.

It is an amenable number.

1396341952289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396341952289 is an equidigital number, since it uses as much as digits as its factorization.

1396341952289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 62.

The spelling of 1396341952289 in words is "one trillion, three hundred ninety-six billion, three hundred forty-one million, nine hundred fifty-two thousand, two hundred eighty-nine".