1690070210887 has 2 divisors, whose sum is σ = 1690070210888. Its totient is φ = 1690070210886.

The previous prime is 1690070210867. The next prime is 1690070210893. The reversal of 1690070210887 is 7880120700961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1690070210887 - 2¹¹ = 1690070208839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1690070210887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1690070210837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845035105443 + 845035105444.

It is an arithmetic number, because the mean of its divisors is an integer number (845035105444).

Almost surely, 2^{1690070210887} is an apocalyptic number.

1690070210887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1690070210887 is an equidigital number, since it uses as much as digits as its factorization.

1690070210887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 1690070210887 in words is "one trillion, six hundred ninety billion, seventy million, two hundred ten thousand, eight hundred eighty-seven".