1383239801 has 2 divisors, whose sum is σ = 1383239802. Its totient is φ = 1383239800.

The previous prime is 1383239797. The next prime is 1383239827. The reversal of 1383239801 is 1089323831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986274025 + 396965776 = 31405^2 + 19924^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383239801 - 2² = 1383239797 is a prime.

It is not a weakly prime, because it can be changed into another prime (1383239201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691619900 + 691619901.

It is an arithmetic number, because the mean of its divisors is an integer number (691619901).

Almost surely, 2^1383239801 is an apocalyptic number.

It is an amenable number.

1383239801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383239801 is an equidigital number, since it uses as much as digits as its factorization.

1383239801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1383239801 is about 37191.9319342247. The cubic root of 1383239801 is about 1114.2068537401.

The spelling of 1383239801 in words is "one billion, three hundred eighty-three million, two hundred thirty-nine thousand, eight hundred one".