61463675317 has 4 divisors (see below), whose sum is σ = 67051282176. Its totient is φ = 55876068460.

The previous prime is 61463675309. The next prime is 61463675359. The reversal of 61463675317 is 71357636416.

61463675317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61463675317 - 2³ = 61463675309 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 (61463675387) 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, 2793803413 + ... + 2793803434.

It is an arithmetic number, because the mean of its divisors is an integer number (16762820544).

Almost surely, 2^61463675317 is an apocalyptic number.

It is an amenable number.

61463675317 is a deficient number, since it is larger than the sum of its proper divisors (5587606859).

61463675317 is a wasteful number, since it uses less digits than its factorization.

61463675317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587606858.

The product of its digits is 1905120, while the sum is 49.

The spelling of 61463675317 in words is "sixty-one billion, four hundred sixty-three million, six hundred seventy-five thousand, three hundred seventeen".