190830620390 has 8 divisors (see below), whose sum is σ = 343495116720. Its totient is φ = 76332248152.

The previous prime is 190830620381. The next prime is 190830620417. The reversal of 190830620390 is 93026038091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9541531010 + ... + 9541531029.

It is an arithmetic number, because the mean of its divisors is an integer number (42936889590).

Almost surely, 2^190830620390 is an apocalyptic number.

190830620390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190830620390 is a deficient number, since it is larger than the sum of its proper divisors (152664496330).

190830620390 is a wasteful number, since it uses less digits than its factorization.

190830620390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19083062046.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 190830620390 in words is "one hundred ninety billion, eight hundred thirty million, six hundred twenty thousand, three hundred ninety".