27045323654 has 4 divisors (see below), whose sum is σ = 40567985484. Its totient is φ = 13522661826.

The previous prime is 27045323629. The next prime is 27045323663. The reversal of 27045323654 is 45632354072.

It is a happy number.

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

It is a super-2 number, since 2×27045323654² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761330912 + ... + 6761330915.

It is an arithmetic number, because the mean of its divisors is an integer number (10141996371).

Almost surely, 2^27045323654 is an apocalyptic number.

27045323654 is a deficient number, since it is larger than the sum of its proper divisors (13522661830).

27045323654 is a wasteful number, since it uses less digits than its factorization.

27045323654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13522661829.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 27045323654 in words is "twenty-seven billion, forty-five million, three hundred twenty-three thousand, six hundred fifty-four".