273694937506 has 8 divisors (see below), whose sum is σ = 411432955164. Its totient is φ = 136550619120.

The previous prime is 273694937459. The next prime is 273694937507. The reversal of 273694937506 is 605739496372.

It can be written as a sum of positive squares in 2 ways, for example, as 258733978281 + 14960959225 = 508659^2 + 122315^2 .

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

It is not an unprimeable number, because it can be changed into a prime (273694937507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148423665 + ... + 148425508.

Almost surely, 2^273694937506 is an apocalyptic number.

273694937506 is a deficient number, since it is larger than the sum of its proper divisors (137738017658).

273694937506 is a wasteful number, since it uses less digits than its factorization.

273694937506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296849636.

The product of its (nonzero) digits is 51438240, while the sum is 61.

The spelling of 273694937506 in words is "two hundred seventy-three billion, six hundred ninety-four million, nine hundred thirty-seven thousand, five hundred six".