19335880641 has 48 divisors (see below), whose sum is σ = 32740562880. Its totient is φ = 10037301120.

The previous prime is 19335880609. The next prime is 19335880667. The reversal of 19335880641 is 14608853391.

It is not a de Polignac number, because 19335880641 - 2⁵ = 19335880609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19335880601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2759955 + ... + 2766951.

It is an arithmetic number, because the mean of its divisors is an integer number (682095060).

Almost surely, 2^19335880641 is an apocalyptic number.

19335880641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19335880641 is a deficient number, since it is larger than the sum of its proper divisors (13404682239).

19335880641 is a wasteful number, since it uses less digits than its factorization.

19335880641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8727 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 19335880641 in words is "nineteen billion, three hundred thirty-five million, eight hundred eighty thousand, six hundred forty-one".