273791696989 has 4 divisors (see below), whose sum is σ = 273843546940. Its totient is φ = 273739847040.

The previous prime is 273791696977. The next prime is 273791696993. The reversal of 273791696989 is 989696197372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59345832100 + 214445864889 = 243610^2 + 463083^2 .

It is a cyclic number.

It is not a de Polignac number, because 273791696989 - 2²⁹ = 273254826077 is a prime.

It is a super-2 number, since 2×273791696989² (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 (273791691989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25917054 + ... + 25927615.

It is an arithmetic number, because the mean of its divisors is an integer number (68460886735).

Almost surely, 2^273791696989 is an apocalyptic number.

It is an amenable number.

273791696989 is a deficient number, since it is larger than the sum of its proper divisors (51849951).

273791696989 is an equidigital number, since it uses as much as digits as its factorization.

273791696989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51849950.

The product of its digits is 555532992, while the sum is 76.

The spelling of 273791696989 in words is "two hundred seventy-three billion, seven hundred ninety-one million, six hundred ninety-six thousand, nine hundred eighty-nine".