1383005653 has 2 divisors, whose sum is σ = 1383005654. Its totient is φ = 1383005652.

The previous prime is 1383005651. The next prime is 1383005669. The reversal of 1383005653 is 3565003831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703204324 + 679801329 = 26518^2 + 26073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383005653 - 2¹ = 1383005651 is a prime.

Together with 1383005651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383005651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691502826 + 691502827.

It is an arithmetic number, because the mean of its divisors is an integer number (691502827).

Almost surely, 2^1383005653 is an apocalyptic number.

It is an amenable number.

1383005653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383005653 is an equidigital number, since it uses as much as digits as its factorization.

1383005653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1383005653 is about 37188.7839677503. The cubic root of 1383005653 is about 1114.1439810484.

The spelling of 1383005653 in words is "one billion, three hundred eighty-three million, five thousand, six hundred fifty-three".