219939907054 has 16 divisors (see below), whose sum is σ = 390041215200. Its totient is φ = 91009616544.

The previous prime is 219939907049. The next prime is 219939907069. The reversal of 219939907054 is 450709939912.

It is a super-3 number, since 3×219939907054³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 219939907054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270861549 + ... + 270862360.

It is an arithmetic number, because the mean of its divisors is an integer number (24377575950).

Almost surely, 2^219939907054 is an apocalyptic number.

219939907054 is a deficient number, since it is larger than the sum of its proper divisors (170101308146).

219939907054 is a wasteful number, since it uses less digits than its factorization.

219939907054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541723947.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 219939907054 in words is "two hundred nineteen billion, nine hundred thirty-nine million, nine hundred seven thousand, fifty-four".