219115253090 has 8 divisors (see below), whose sum is σ = 394407455580. Its totient is φ = 87646101232.

The previous prime is 219115253089. The next prime is 219115253111. The reversal of 219115253090 is 90352511912.

It can be written as a sum of positive squares in 2 ways, for example, as 204203668321 + 14911584769 = 451889^2 + 122113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×219115253090² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10955762645 + ... + 10955762664.

Almost surely, 2^219115253090 is an apocalyptic number.

219115253090 is a deficient number, since it is larger than the sum of its proper divisors (175292202490).

219115253090 is a wasteful number, since it uses less digits than its factorization.

219115253090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21911525316.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 219115253090 in words is "two hundred nineteen billion, one hundred fifteen million, two hundred fifty-three thousand, ninety".