190964922129 has 24 divisors (see below), whose sum is σ = 277247177064. Its totient is φ = 126660672000.

The previous prime is 190964922097. The next prime is 190964922191. The reversal of 190964922129 is 921229469091.

It can be written as a sum of positive squares in 4 ways, for example, as 46215110529 + 144749811600 = 214977^2 + 380460^2 .

It is not a de Polignac number, because 190964922129 - 2⁵ = 190964922097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190964922199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2259819 + ... + 2342799.

It is an arithmetic number, because the mean of its divisors is an integer number (11551965711).

Almost surely, 2^190964922129 is an apocalyptic number.

It is an amenable number.

190964922129 is a deficient number, since it is larger than the sum of its proper divisors (86282254935).

190964922129 is a wasteful number, since it uses less digits than its factorization.

190964922129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84289 (or 84286 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 190964922129 in words is "one hundred ninety billion, nine hundred sixty-four million, nine hundred twenty-two thousand, one hundred twenty-nine".