219247378072 has 32 divisors (see below), whose sum is σ = 433724583600. Its totient is φ = 103614142464.

The previous prime is 219247378069. The next prime is 219247378079. The reversal of 219247378072 is 270873742912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219247378079) 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, 1599793 + ... + 1731424.

Almost surely, 2^219247378072 is an apocalyptic number.

It is an amenable number.

219247378072 is a deficient number, since it is larger than the sum of its proper divisors (214477205528).

219247378072 is a wasteful number, since it uses less digits than its factorization.

219247378072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331675 (or 3331671 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 219247378072 in words is "two hundred nineteen billion, two hundred forty-seven million, three hundred seventy-eight thousand, seventy-two".