19461280382 has 4 divisors (see below), whose sum is σ = 29191920576. Its totient is φ = 9730640190.

The previous prime is 19461280367. The next prime is 19461280393. The reversal of 19461280382 is 28308216491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4865320094 + ... + 4865320097.

It is an arithmetic number, because the mean of its divisors is an integer number (7297980144).

Almost surely, 2^19461280382 is an apocalyptic number.

19461280382 is a deficient number, since it is larger than the sum of its proper divisors (9730640194).

19461280382 is an equidigital number, since it uses as much as digits as its factorization.

19461280382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730640193.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 19461280382 in words is "nineteen billion, four hundred sixty-one million, two hundred eighty thousand, three hundred eighty-two".