1383493663 has 2 divisors, whose sum is σ = 1383493664. Its totient is φ = 1383493662.

The previous prime is 1383493651. The next prime is 1383493667. The reversal of 1383493663 is 3663943831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1383493663 - 2¹³ = 1383485471 is a prime.

It is a super-2 number, since 2×1383493663² = 3828109431122315138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383493667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691746831 + 691746832.

It is an arithmetic number, because the mean of its divisors is an integer number (691746832).

Almost surely, 2^1383493663 is an apocalyptic number.

1383493663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383493663 is an equidigital number, since it uses as much as digits as its factorization.

1383493663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 46.

The square root of 1383493663 is about 37195.3446415005. The cubic root of 1383493663 is about 1114.2750119577.

The spelling of 1383493663 in words is "one billion, three hundred eighty-three million, four hundred ninety-three thousand, six hundred sixty-three".