61636963327 has 4 divisors (see below), whose sum is σ = 61639322976. Its totient is φ = 61634603680.

The previous prime is 61636963321. The next prime is 61636963351. The reversal of 61636963327 is 72336963616.

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

It is a cyclic number.

It is not a de Polignac number, because 61636963327 - 2¹⁵ = 61636930559 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 (61636963321) 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, 1140199 + ... + 1193032.

It is an arithmetic number, because the mean of its divisors is an integer number (15409830744).

Almost surely, 2^61636963327 is an apocalyptic number.

61636963327 is a deficient number, since it is larger than the sum of its proper divisors (2359649).

61636963327 is a wasteful number, since it uses less digits than its factorization.

61636963327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359648.

The product of its digits is 4408992, while the sum is 52.

The spelling of 61636963327 in words is "sixty-one billion, six hundred thirty-six million, nine hundred sixty-three thousand, three hundred twenty-seven".