216380274619 has 8 divisors (see below), whose sum is σ = 217025804288. Its totient is φ = 215735697000.

The previous prime is 216380274613. The next prime is 216380274653. The reversal of 216380274619 is 916472083612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216380274619 - 2²³ = 216371886011 is a prime.

It is a super-2 number, since 2×216380274619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216380274613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218524 + ... + 693190.

It is an arithmetic number, because the mean of its divisors is an integer number (27128225536).

Almost surely, 2^216380274619 is an apocalyptic number.

216380274619 is a deficient number, since it is larger than the sum of its proper divisors (645529669).

216380274619 is an equidigital number, since it uses as much as digits as its factorization.

216380274619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476025.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 216380274619 in words is "two hundred sixteen billion, three hundred eighty million, two hundred seventy-four thousand, six hundred nineteen".