1395938293 has 2 divisors, whose sum is σ = 1395938294. Its totient is φ = 1395938292.

The previous prime is 1395938279. The next prime is 1395938311. The reversal of 1395938293 is 3928395931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 862420689 + 533517604 = 29367^2 + 23098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395938293 - 2¹⁷ = 1395807221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1395938293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395938273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697969146 + 697969147.

It is an arithmetic number, because the mean of its divisors is an integer number (697969147).

Almost surely, 2^1395938293 is an apocalyptic number.

It is an amenable number.

1395938293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395938293 is an equidigital number, since it uses as much as digits as its factorization.

1395938293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 52.

The square root of 1395938293 is about 37362.2576004181. The cubic root of 1395938293 is about 1117.6060401821.

The spelling of 1395938293 in words is "one billion, three hundred ninety-five million, nine hundred thirty-eight thousand, two hundred ninety-three".