219418468401 has 32 divisors (see below), whose sum is σ = 327011852160. Its totient is φ = 129708300800.

The previous prime is 219418468363. The next prime is 219418468429. The reversal of 219418468401 is 104864814912.

It is a cyclic number.

It is not a de Polignac number, because 219418468401 - 2¹⁷ = 219418337329 is a prime.

It is a super-3 number, since 3×219418468401³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (219418468901) 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, 7005091 + ... + 7036343.

It is an arithmetic number, because the mean of its divisors is an integer number (10219120380).

Almost surely, 2^219418468401 is an apocalyptic number.

It is an amenable number.

219418468401 is a deficient number, since it is larger than the sum of its proper divisors (107593383759).

219418468401 is a wasteful number, since it uses less digits than its factorization.

219418468401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36497.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 219418468401 in words is "two hundred nineteen billion, four hundred eighteen million, four hundred sixty-eight thousand, four hundred one".