273553060981 has 16 divisors (see below), whose sum is σ = 290351952000. Its totient is φ = 257164999168.

The previous prime is 273553060933. The next prime is 273553060997. The reversal of 273553060981 is 189060355372.

It is a cyclic number.

It is not a de Polignac number, because 273553060981 - 2²⁵ = 273519506549 is a prime.

It is a super-2 number, since 2×273553060981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273553360981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6515745 + ... + 6557593.

It is an arithmetic number, because the mean of its divisors is an integer number (18146997000).

Almost surely, 2^273553060981 is an apocalyptic number.

It is an amenable number.

273553060981 is a deficient number, since it is larger than the sum of its proper divisors (16798891019).

273553060981 is a wasteful number, since it uses less digits than its factorization.

273553060981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46748.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 273553060981 in words is "two hundred seventy-three billion, five hundred fifty-three million, sixty thousand, nine hundred eighty-one".