19152656641 has 8 divisors (see below), whose sum is σ = 19536141600. Its totient is φ = 18771133920.

The previous prime is 19152656609. The next prime is 19152656657. The reversal of 19152656641 is 14665625191.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19152656641 - 2⁵ = 19152656609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19152656591 and 19152656600.

It is not an unprimeable number, because it can be changed into a prime (19152654641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470836 + ... + 509893.

It is an arithmetic number, because the mean of its divisors is an integer number (2442017700).

Almost surely, 2^19152656641 is an apocalyptic number.

It is an amenable number.

19152656641 is a deficient number, since it is larger than the sum of its proper divisors (383484959).

19152656641 is an equidigital number, since it uses as much as digits as its factorization.

19152656641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981119.

The product of its digits is 388800, while the sum is 46.

The spelling of 19152656641 in words is "nineteen billion, one hundred fifty-two million, six hundred fifty-six thousand, six hundred forty-one".