19416427863 has 16 divisors (see below), whose sum is σ = 29597038080. Its totient is φ = 11091314016.

The previous prime is 19416427859. The next prime is 19416427897. The reversal of 19416427863 is 36872461491.

It is a happy number.

It is not a de Polignac number, because 19416427863 - 2² = 19416427859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19416427663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94243 + ... + 218436.

It is an arithmetic number, because the mean of its divisors is an integer number (1849814880).

Almost surely, 2^19416427863 is an apocalyptic number.

19416427863 is a deficient number, since it is larger than the sum of its proper divisors (10180610217).

19416427863 is a wasteful number, since it uses less digits than its factorization.

19416427863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315646.

The product of its digits is 1741824, while the sum is 51.

The spelling of 19416427863 in words is "nineteen billion, four hundred sixteen million, four hundred twenty-seven thousand, eight hundred sixty-three".