1329873487 has 2 divisors, whose sum is σ = 1329873488. Its totient is φ = 1329873486.

The previous prime is 1329873481. The next prime is 1329873533. The reversal of 1329873487 is 7843789231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1329873487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1329873481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664936743 + 664936744.

It is an arithmetic number, because the mean of its divisors is an integer number (664936744).

Almost surely, 2^1329873487 is an apocalyptic number.

1329873487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329873487 is an equidigital number, since it uses as much as digits as its factorization.

1329873487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 1329873487 is about 36467.4304962661. The cubic root of 1329873487 is about 1099.6895782469.

The spelling of 1329873487 in words is "one billion, three hundred twenty-nine million, eight hundred seventy-three thousand, four hundred eighty-seven".