273099051997 has 4 divisors (see below), whose sum is σ = 273100660000. Its totient is φ = 273097443996.

The previous prime is 273099051941. The next prime is 273099052013. The reversal of 273099051997 is 799150990372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273099051997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273099058997) 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, 514497 + ... + 900502.

It is an arithmetic number, because the mean of its divisors is an integer number (68275165000).

Almost surely, 2^273099051997 is an apocalyptic number.

It is an amenable number.

273099051997 is a deficient number, since it is larger than the sum of its proper divisors (1608003).

273099051997 is a wasteful number, since it uses less digits than its factorization.

273099051997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608002.

The product of its (nonzero) digits is 9644670, while the sum is 61.

The spelling of 273099051997 in words is "two hundred seventy-three billion, ninety-nine million, fifty-one thousand, nine hundred ninety-seven".