1383270653 has 2 divisors, whose sum is σ = 1383270654. Its totient is φ = 1383270652.

The previous prime is 1383270643. The next prime is 1383270659. The reversal of 1383270653 is 3560723831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080962884 + 302307769 = 32878^2 + 17387^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383270653 - 2²⁶ = 1316161789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383270659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691635326 + 691635327.

It is an arithmetic number, because the mean of its divisors is an integer number (691635327).

Almost surely, 2^1383270653 is an apocalyptic number.

It is an amenable number.

1383270653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383270653 is an equidigital number, since it uses as much as digits as its factorization.

1383270653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1383270653 is about 37192.3466992875. The cubic root of 1383270653 is about 1114.2151374940.

The spelling of 1383270653 in words is "one billion, three hundred eighty-three million, two hundred seventy thousand, six hundred fifty-three".