27953929466 has 4 divisors (see below), whose sum is σ = 41930894202. Its totient is φ = 13976964732.

The previous prime is 27953929457. The next prime is 27953929483. The reversal of 27953929466 is 66492935972.

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

It can be written as a sum of positive squares in only one way, i.e., 19118869441 + 8835060025 = 138271^2 + 93995^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27953929399 and 27953929408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6988482365 + ... + 6988482368.

Almost surely, 2^27953929466 is an apocalyptic number.

27953929466 is a deficient number, since it is larger than the sum of its proper divisors (13976964736).

27953929466 is a wasteful number, since it uses less digits than its factorization.

27953929466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13976964735.

The product of its digits is 44089920, while the sum is 62.

The spelling of 27953929466 in words is "twenty-seven billion, nine hundred fifty-three million, nine hundred twenty-nine thousand, four hundred sixty-six".