1329460477 has 2 divisors, whose sum is σ = 1329460478. Its totient is φ = 1329460476.

The previous prime is 1329460463. The next prime is 1329460501. The reversal of 1329460477 is 7740649231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857962681 + 471497796 = 29291^2 + 21714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1329460477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1329460177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664730238 + 664730239.

It is an arithmetic number, because the mean of its divisors is an integer number (664730239).

Almost surely, 2^1329460477 is an apocalyptic number.

It is an amenable number.

1329460477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329460477 is an equidigital number, since it uses as much as digits as its factorization.

1329460477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 1329460477 is about 36461.7673323716. The cubic root of 1329460477 is about 1099.5757253572.

The spelling of 1329460477 in words is "one billion, three hundred twenty-nine million, four hundred sixty thousand, four hundred seventy-seven".