19959609470 has 16 divisors (see below), whose sum is σ = 37086242688. Its totient is φ = 7726300320.

The previous prime is 19959609419. The next prime is 19959609491. The reversal of 19959609470 is 7490695991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32192609 + ... + 32193228.

It is an arithmetic number, because the mean of its divisors is an integer number (2317890168).

Almost surely, 2^19959609470 is an apocalyptic number.

19959609470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19959609470 is a deficient number, since it is larger than the sum of its proper divisors (17126633218).

19959609470 is a wasteful number, since it uses less digits than its factorization.

19959609470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64385875.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 19959609470 in words is "nineteen billion, nine hundred fifty-nine million, six hundred nine thousand, four hundred seventy".