273966021897 has 8 divisors (see below), whose sum is σ = 365636258400. Its totient is φ = 182469900000.

The previous prime is 273966021859. The next prime is 273966021911. The reversal of 273966021897 is 798120669372.

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

It is not a de Polignac number, because 273966021897 - 2¹⁴ = 273966005513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273966021897.

It is not an unprimeable number, because it can be changed into a prime (273966021697) 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, 43524979 + ... + 43531272.

It is an arithmetic number, because the mean of its divisors is an integer number (45704532300).

Almost surely, 2^273966021897 is an apocalyptic number.

It is an amenable number.

273966021897 is a deficient number, since it is larger than the sum of its proper divisors (91670236503).

273966021897 is a wasteful number, since it uses less digits than its factorization.

273966021897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87057303.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 273966021897 in words is "two hundred seventy-three billion, nine hundred sixty-six million, twenty-one thousand, eight hundred ninety-seven".