1690466624089 has 2 divisors, whose sum is σ = 1690466624090. Its totient is φ = 1690466624088.

The previous prime is 1690466624087. The next prime is 1690466624101. The reversal of 1690466624089 is 9804266640961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851929000000 + 838537624089 = 923000^2 + 915717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1690466624089 - 2¹ = 1690466624087 is a prime.

Together with 1690466624087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1690466624081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845233312044 + 845233312045.

It is an arithmetic number, because the mean of its divisors is an integer number (845233312045).

Almost surely, 2^{1690466624089} is an apocalyptic number.

It is an amenable number.

1690466624089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1690466624089 is an equidigital number, since it uses as much as digits as its factorization.

1690466624089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 1690466624089 in words is "one trillion, six hundred ninety billion, four hundred sixty-six million, six hundred twenty-four thousand, eighty-nine".