214661449291 has 8 divisors (see below), whose sum is σ = 218310729840. Its totient is φ = 211012533888.

The previous prime is 214661449237. The next prime is 214661449363. The reversal of 214661449291 is 192944166412.

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 214661449291 - 2²³ = 214653060683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214661449091) 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, 1263975 + ... + 1423711.

It is an arithmetic number, because the mean of its divisors is an integer number (27288841230).

Almost surely, 2^214661449291 is an apocalyptic number.

214661449291 is a deficient number, since it is larger than the sum of its proper divisors (3649280549).

214661449291 is a wasteful number, since it uses less digits than its factorization.

214661449291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182573.

The product of its digits is 746496, while the sum is 49.

The spelling of 214661449291 in words is "two hundred fourteen billion, six hundred sixty-one million, four hundred forty-nine thousand, two hundred ninety-one".