1329792671 has 2 divisors, whose sum is σ = 1329792672. Its totient is φ = 1329792670.

The previous prime is 1329792637. The next prime is 1329792677. The reversal of 1329792671 is 1762979231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1329792671 - 2¹⁰ = 1329791647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1329792677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664896335 + 664896336.

It is an arithmetic number, because the mean of its divisors is an integer number (664896336).

Almost surely, 2^1329792671 is an apocalyptic number.

1329792671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329792671 is an equidigital number, since it uses as much as digits as its factorization.

1329792671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 1329792671 is about 36466.3224222021. The cubic root of 1329792671 is about 1099.6673018640.

The spelling of 1329792671 in words is "one billion, three hundred twenty-nine million, seven hundred ninety-two thousand, six hundred seventy-one".