1383466691 has 2 divisors, whose sum is σ = 1383466692. Its totient is φ = 1383466690.

The previous prime is 1383466673. The next prime is 1383466697. The reversal of 1383466691 is 1966643831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383466691 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1383466697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691733345 + 691733346.

It is an arithmetic number, because the mean of its divisors is an integer number (691733346).

Almost surely, 2^1383466691 is an apocalyptic number.

1383466691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383466691 is an equidigital number, since it uses as much as digits as its factorization.

1383466691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 1383466691 is about 37194.9820674779. The cubic root of 1383466691 is about 1114.2677707678.

The spelling of 1383466691 in words is "one billion, three hundred eighty-three million, four hundred sixty-six thousand, six hundred ninety-one".