10902991189 has 2 divisors, whose sum is σ = 10902991190. Its totient is φ = 10902991188.

The previous prime is 10902991171. The next prime is 10902991207. The reversal of 10902991189 is 98119920901.

It is a balanced prime because it is at equal distance from previous prime (10902991171) and next prime (10902991207).

It can be written as a sum of positive squares in only one way, i.e., 6575588100 + 4327403089 = 81090^2 + 65783^2 .

It is a cyclic number.

It is not a de Polignac number, because 10902991189 - 2¹⁹ = 10902466901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10902991159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5451495594 + 5451495595.

It is an arithmetic number, because the mean of its divisors is an integer number (5451495595).

Almost surely, 2^10902991189 is an apocalyptic number.

It is an amenable number.

10902991189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10902991189 is an equidigital number, since it uses as much as digits as its factorization.

10902991189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 49.

The spelling of 10902991189 in words is "ten billion, nine hundred two million, nine hundred ninety-one thousand, one hundred eighty-nine".