273850216249 has 3 divisors (see below), whose sum is σ = 273850739557. Its totient is φ = 273849692942.

The previous prime is 273850216231. The next prime is 273850216253. The reversal of 273850216249 is 942612058372.

It is a happy number.

The square root of 273850216249 is 523307.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 273850216249 - 2⁵ = 273850216217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273850213249) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 261654 + ... + 784960.

It is a 1-persistent number, because it is pandigital, but 2⋅273850216249 = 547700432498 is not.

Almost surely, 2^273850216249 is an apocalyptic number.

273850216249 is the 523307-th square number.

273850216249 is the 261654-th centered octagonal number.

It is an amenable number.

273850216249 is a deficient number, since it is larger than the sum of its proper divisors (523308).

273850216249 is an frugal number, since it uses more digits than its factorization.

273850216249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046614 (or 523307 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 273850216249 by its sum of digits (49), we get a square (13418660596201 = 3663149²).

The spelling of 273850216249 in words is "two hundred seventy-three billion, eight hundred fifty million, two hundred sixteen thousand, two hundred forty-nine".