192129172530 has 32 divisors (see below), whose sum is σ = 467992257984. Its totient is φ = 50469752256.

The previous prime is 192129172519. The next prime is 192129172577. The reversal of 192129172530 is 35271921291.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47791317 + ... + 47795336.

It is an arithmetic number, because the mean of its divisors is an integer number (14624758062).

Almost surely, 2^192129172530 is an apocalyptic number.

192129172530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192129172530 is an abundant number, since it is smaller than the sum of its proper divisors (275863085454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

192129172530 is a wasteful number, since it uses less digits than its factorization.

192129172530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95586730.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 192129172530 in words is "one hundred ninety-two billion, one hundred twenty-nine million, one hundred seventy-two thousand, five hundred thirty".