219115253142 has 20 divisors (see below), whose sum is σ = 490980474996. Its totient is φ = 73038417660.

The previous prime is 219115253141. The next prime is 219115253143. The reversal of 219115253142 is 241352511912.

219115253142 is a `hidden beast` number, since 2 + 1 + 9 + 115 + 2 + 531 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (219115253141) and next prime (219115253143).

It is a super-2 number, since 2×219115253142² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 219115253097 and 219115253106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219115253141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 676281484 + ... + 676281807.

Almost surely, 2^219115253142 is an apocalyptic number.

219115253142 is an abundant number, since it is smaller than the sum of its proper divisors (271865221854).

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

219115253142 is a wasteful number, since it uses less digits than its factorization.

219115253142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352563305 (or 1352563296 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 219115253142 in words is "two hundred nineteen billion, one hundred fifteen million, two hundred fifty-three thousand, one hundred forty-two".