19314050490 has 48 divisors (see below), whose sum is σ = 57390323328. Its totient is φ = 4414639968.

The previous prime is 19314050477. The next prime is 19314050507. The reversal of 19314050490 is 9405041391.

It is a happy number.

19314050490 is a `hidden beast` number, since 1 + 9 + 3 + 140 + 504 + 9 + 0 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15327982 + ... + 15329241.

It is an arithmetic number, because the mean of its divisors is an integer number (1195631736).

Almost surely, 2^19314050490 is an apocalyptic number.

19314050490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19314050490 is an abundant number, since it is smaller than the sum of its proper divisors (38076272838).

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

19314050490 is a wasteful number, since it uses less digits than its factorization.

19314050490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30657243 (or 30657240 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

Subtracting from 19314050490 its reverse (9405041391), we obtain a palindrome (9909009099).

The spelling of 19314050490 in words is "nineteen billion, three hundred fourteen million, fifty thousand, four hundred ninety".