1328676551 has 2 divisors, whose sum is σ = 1328676552. Its totient is φ = 1328676550.

The previous prime is 1328676529. The next prime is 1328676571. The reversal of 1328676551 is 1556768231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1328676551 - 2¹⁰ = 1328675527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328676571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664338275 + 664338276.

It is an arithmetic number, because the mean of its divisors is an integer number (664338276).

Almost surely, 2^1328676551 is an apocalyptic number.

1328676551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328676551 is an equidigital number, since it uses as much as digits as its factorization.

1328676551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 1328676551 is about 36451.0157745981. The cubic root of 1328676551 is about 1099.3595585999.

The spelling of 1328676551 in words is "one billion, three hundred twenty-eight million, six hundred seventy-six thousand, five hundred fifty-one".