19416621059 has 8 divisors (see below), whose sum is σ = 21632444928. Its totient is φ = 17275909960.

The previous prime is 19416621041. The next prime is 19416621067. The reversal of 19416621059 is 95012661491.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19416621059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19416621079) 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, 18777647 + ... + 18778680.

It is an arithmetic number, because the mean of its divisors is an integer number (2704055616).

Almost surely, 2^19416621059 is an apocalyptic number.

19416621059 is a deficient number, since it is larger than the sum of its proper divisors (2215823869).

19416621059 is a wasteful number, since it uses less digits than its factorization.

19416621059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556385.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 19416621059 in words is "nineteen billion, four hundred sixteen million, six hundred twenty-one thousand, fifty-nine".