219426982968 has 16 divisors (see below), whose sum is σ = 548567457480. Its totient is φ = 73142327648.

The previous prime is 219426982967. The next prime is 219426982997. The reversal of 219426982968 is 869289624912.

It is a junction number, because it is equal to n+sod(n) for n = 219426982899 and 219426982908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219426982967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4571395455 + ... + 4571395502.

Almost surely, 2^219426982968 is an apocalyptic number.

It is an amenable number.

219426982968 is an abundant number, since it is smaller than the sum of its proper divisors (329140474512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219426982968 is a wasteful number, since it uses less digits than its factorization.

219426982968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142790966 (or 9142790962 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 66.

The spelling of 219426982968 in words is "two hundred nineteen billion, four hundred twenty-six million, nine hundred eighty-two thousand, nine hundred sixty-eight".