215486849141 has 8 divisors (see below), whose sum is σ = 216094733400. Its totient is φ = 214879242240.

The previous prime is 215486849129. The next prime is 215486849159. The reversal of 215486849141 is 141948684512.

It can be written as a sum of positive squares in 4 ways, for example, as 5421376900 + 210065472241 = 73630^2 + 458329^2 .

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 215486849141 - 2⁶ = 215486849077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215486849441) 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, 1539101 + ... + 1673261.

It is an arithmetic number, because the mean of its divisors is an integer number (27011841675).

Almost surely, 2^215486849141 is an apocalyptic number.

It is an amenable number.

215486849141 is a deficient number, since it is larger than the sum of its proper divisors (607884259).

215486849141 is a wasteful number, since it uses less digits than its factorization.

215486849141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138679.

The product of its digits is 2211840, while the sum is 53.

The spelling of 215486849141 in words is "two hundred fifteen billion, four hundred eighty-six million, eight hundred forty-nine thousand, one hundred forty-one".