10187389669 has 2 divisors, whose sum is σ = 10187389670. Its totient is φ = 10187389668.

The previous prime is 10187389577. The next prime is 10187389673. The reversal of 10187389669 is 96698378101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9783781569 + 403608100 = 98913^2 + 20090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10187389669 is a prime.

It is a super-2 number, since 2×10187389669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10187389469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5093694834 + 5093694835.

It is an arithmetic number, because the mean of its divisors is an integer number (5093694835).

Almost surely, 2^10187389669 is an apocalyptic number.

It is an amenable number.

10187389669 is a deficient number, since it is larger than the sum of its proper divisors (1).

10187389669 is an equidigital number, since it uses as much as digits as its factorization.

10187389669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 10187389669 in words is "ten billion, one hundred eighty-seven million, three hundred eighty-nine thousand, six hundred sixty-nine".