51471916293463 has 4 divisors (see below), whose sum is σ = 51472083648240. Its totient is φ = 51471748938688.

The previous prime is 51471916293377. The next prime is 51471916293503. The reversal of 51471916293463 is 36439261917415.

It is a happy number.

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 51471916293463 - 2¹⁷ = 51471916162391 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 (51471916293163) 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, 83215195 + ... + 83831452.

It is an arithmetic number, because the mean of its divisors is an integer number (12868020912060).

Almost surely, 2^{51471916293463} is an apocalyptic number.

51471916293463 is a deficient number, since it is larger than the sum of its proper divisors (167354777).

51471916293463 is a wasteful number, since it uses less digits than its factorization.

51471916293463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167354776.

The product of its digits is 29393280, while the sum is 61.

The spelling of 51471916293463 in words is "fifty-one trillion, four hundred seventy-one billion, nine hundred sixteen million, two hundred ninety-three thousand, four hundred sixty-three".