129650019190 has 32 divisors (see below), whose sum is σ = 239089929120. Its totient is φ = 50589216000.

The previous prime is 129650019131. The next prime is 129650019197. The reversal of 129650019190 is 91910056921.

It is a super-2 number, since 2×129650019190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129650019197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5503156 + ... + 5526664.

It is an arithmetic number, because the mean of its divisors is an integer number (7471560285).

Almost surely, 2^129650019190 is an apocalyptic number.

129650019190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129650019190 is a deficient number, since it is larger than the sum of its proper divisors (109439909930).

129650019190 is a wasteful number, since it uses less digits than its factorization.

129650019190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37008.

The product of its (nonzero) digits is 43740, while the sum is 43.

The spelling of 129650019190 in words is "one hundred twenty-nine billion, six hundred fifty million, nineteen thousand, one hundred ninety".