1329622039 has 2 divisors, whose sum is σ = 1329622040. Its totient is φ = 1329622038.

The previous prime is 1329622001. The next prime is 1329622093. The reversal of 1329622039 is 9302269231.

Together with next prime (1329622093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1329622039 - 2¹³ = 1329613847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1329621989 and 1329622007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1329628039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664811019 + 664811020.

It is an arithmetic number, because the mean of its divisors is an integer number (664811020).

Almost surely, 2^1329622039 is an apocalyptic number.

1329622039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329622039 is an equidigital number, since it uses as much as digits as its factorization.

1329622039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 1329622039 is about 36463.9827638178. The cubic root of 1329622039 is about 1099.6202653444.

The spelling of 1329622039 in words is "one billion, three hundred twenty-nine million, six hundred twenty-two thousand, thirty-nine".