219347429997 has 32 divisors (see below), whose sum is σ = 302650822656. Its totient is φ = 141211900800.

The previous prime is 219347429981. The next prime is 219347430011. The reversal of 219347429997 is 799924743912.

It is not a de Polignac number, because 219347429997 - 2⁴ = 219347429981 is a prime.

It is a super-2 number, since 2×219347429997² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219347429597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49951672 + ... + 49956062.

It is an arithmetic number, because the mean of its divisors is an integer number (9457838208).

Almost surely, 2^219347429997 is an apocalyptic number.

It is an amenable number.

219347429997 is a deficient number, since it is larger than the sum of its proper divisors (83303392659).

219347429997 is a wasteful number, since it uses less digits than its factorization.

219347429997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481.

The product of its digits is 61725888, while the sum is 66.

The spelling of 219347429997 in words is "two hundred nineteen billion, three hundred forty-seven million, four hundred twenty-nine thousand, nine hundred ninety-seven".