190232928650 has 24 divisors (see below), whose sum is σ = 354338067564. Its totient is φ = 75984608000.

The previous prime is 190232928647. The next prime is 190232928667. The reversal of 190232928650 is 56829232091.

It is a Cunningham number, because it is equal to 436157²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 164063072209 + 26169856441 = 405047^2 + 161771^2 .

It is a super-3 number, since 3×190232928650³ (a number of 35 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 190232928595 and 190232928604.

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, 2678687 + ... + 2748786.

Almost surely, 2^190232928650 is an apocalyptic number.

190232928650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190232928650 is a deficient number, since it is larger than the sum of its proper divisors (164105138914).

190232928650 is a wasteful number, since it uses less digits than its factorization.

190232928650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428186 (or 5428181 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 190232928650 in words is "one hundred ninety billion, two hundred thirty-two million, nine hundred twenty-eight thousand, six hundred fifty".