1394348273 has 2 divisors, whose sum is σ = 1394348274. Its totient is φ = 1394348272.

The previous prime is 1394348261. The next prime is 1394348299. The reversal of 1394348273 is 3728434931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1321467904 + 72880369 = 36352^2 + 8537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394348273 - 2⁶ = 1394348209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1394348203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697174136 + 697174137.

It is an arithmetic number, because the mean of its divisors is an integer number (697174137).

Almost surely, 2^1394348273 is an apocalyptic number.

It is an amenable number.

1394348273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394348273 is an equidigital number, since it uses as much as digits as its factorization.

1394348273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 1394348273 is about 37340.9731126547. The cubic root of 1394348273 is about 1117.1815488596.

The spelling of 1394348273 in words is "one billion, three hundred ninety-four million, three hundred forty-eight thousand, two hundred seventy-three".