67648232354 has 4 divisors (see below), whose sum is σ = 101472348534. Its totient is φ = 33824116176.

The previous prime is 67648232321. The next prime is 67648232359. The reversal of 67648232354 is 45323284676.

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., 57472870225 + 10175362129 = 239735^2 + 100873^2 .

It is not an unprimeable number, because it can be changed into a prime (67648232359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16912058087 + ... + 16912058090.

Almost surely, 2^67648232354 is an apocalyptic number.

67648232354 is a deficient number, since it is larger than the sum of its proper divisors (33824116180).

67648232354 is a wasteful number, since it uses less digits than its factorization.

67648232354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33824116179.

The product of its digits is 5806080, while the sum is 50.

The spelling of 67648232354 in words is "sixty-seven billion, six hundred forty-eight million, two hundred thirty-two thousand, three hundred fifty-four".