1384621033 has 2 divisors, whose sum is σ = 1384621034. Its totient is φ = 1384621032.

The previous prime is 1384621031. The next prime is 1384621079. The reversal of 1384621033 is 3301264831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331739049 + 52881984 = 36493^2 + 7272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384621033 - 2¹ = 1384621031 is a prime.

Together with 1384621031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1384620986 and 1384621004.

It is not a weakly prime, because it can be changed into another prime (1384621031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692310516 + 692310517.

It is an arithmetic number, because the mean of its divisors is an integer number (692310517).

Almost surely, 2^1384621033 is an apocalyptic number.

It is an amenable number.

1384621033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384621033 is an equidigital number, since it uses as much as digits as its factorization.

1384621033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1384621033 is about 37210.4962745729. The cubic root of 1384621033 is about 1114.5775935534.

Adding to 1384621033 its reverse (3301264831), we get a palindrome (4685885864).

The spelling of 1384621033 in words is "one billion, three hundred eighty-four million, six hundred twenty-one thousand, thirty-three".