19027646086 has 16 divisors (see below), whose sum is σ = 28737323136. Its totient is φ = 9448598016.

The previous prime is 19027646081. The next prime is 19027646087. The reversal of 19027646086 is 68064672091.

It is a super-2 number, since 2×19027646086² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19027646081) 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, 679270 + ... + 706726.

It is an arithmetic number, because the mean of its divisors is an integer number (1796082696).

Almost surely, 2^19027646086 is an apocalyptic number.

19027646086 is a deficient number, since it is larger than the sum of its proper divisors (9709677050).

19027646086 is a wasteful number, since it uses less digits than its factorization.

19027646086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29823.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 19027646086 in words is "nineteen billion, twenty-seven million, six hundred forty-six thousand, eighty-six".