219695409948 has 48 divisors (see below), whose sum is σ = 604752963584. Its totient is φ = 60745273920.

The previous prime is 219695409943. The next prime is 219695409991. The reversal of 219695409948 is 849904596912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219695409943) 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, 42181615 + ... + 42186822.

Almost surely, 2^219695409948 is an apocalyptic number.

219695409948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

219695409948 is an abundant number, since it is smaller than the sum of its proper divisors (385057553636).

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

219695409948 is a wasteful number, since it uses less digits than its factorization.

219695409948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84368482 (or 84368480 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 219695409948 in words is "two hundred nineteen billion, six hundred ninety-five million, four hundred nine thousand, nine hundred forty-eight".