219115253144 has 16 divisors (see below), whose sum is σ = 410849898000. Its totient is φ = 109555280352.

The previous prime is 219115253143. The next prime is 219115253219. The reversal of 219115253144 is 441352511912.

It is a super-2 number, since 2×219115253144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 219115253098 and 219115253107.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141557 + ... + 676955.

It is an arithmetic number, because the mean of its divisors is an integer number (25678118625).

Almost surely, 2^219115253144 is an apocalyptic number.

It is an amenable number.

219115253144 is a deficient number, since it is larger than the sum of its proper divisors (191734644856).

219115253144 is a wasteful number, since it uses less digits than its factorization.

219115253144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586562 (or 586558 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The spelling of 219115253144 in words is "two hundred nineteen billion, one hundred fifteen million, two hundred fifty-three thousand, one hundred forty-four".