209614969416902 has 24 divisors (see below), whose sum is σ = 375642705130896. Its totient is φ = 85929117894576.

The previous prime is 209614969416893. The next prime is 209614969416911.

209614969416902 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (209614969416893) and next prime (209614969416911).

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14151691853 + ... + 14151706664.

It is an arithmetic number, because the mean of its divisors is an integer number (15651779380454).

Almost surely, 2^{209614969416902} is an apocalyptic number.

209614969416902 is a deficient number, since it is larger than the sum of its proper divisors (166027735713994).

209614969416902 is a wasteful number, since it uses less digits than its factorization.

209614969416902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303398572 (or 28303398549 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 68.

The spelling of 209614969416902 in words is "two hundred nine trillion, six hundred fourteen billion, nine hundred sixty-nine million, four hundred sixteen thousand, nine hundred two".