190317463490 has 32 divisors (see below), whose sum is σ = 427102049664. Its totient is φ = 59319728640.

The previous prime is 190317463477. The next prime is 190317463499. The reversal of 190317463490 is 94364713091.

190317463490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190317463499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123581999 + ... + 123583538.

It is an arithmetic number, because the mean of its divisors is an integer number (13346939052).

Almost surely, 2^190317463490 is an apocalyptic number.

190317463490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190317463490 is an abundant number, since it is smaller than the sum of its proper divisors (236784586174).

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

190317463490 is a wasteful number, since it uses less digits than its factorization.

190317463490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247165562.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 190317463490 in words is "one hundred ninety billion, three hundred seventeen million, four hundred sixty-three thousand, four hundred ninety".