51347346261 has 8 divisors (see below), whose sum is σ = 72490371264. Its totient is φ = 32217942720.

The previous prime is 51347346241. The next prime is 51347346283. The reversal of 51347346261 is 16264374315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51347346261 - 2⁵ = 51347346229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51347346221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503405305 + ... + 503405406.

It is an arithmetic number, because the mean of its divisors is an integer number (9061296408).

Almost surely, 2^51347346261 is an apocalyptic number.

51347346261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51347346261 is a deficient number, since it is larger than the sum of its proper divisors (21143025003).

51347346261 is a wasteful number, since it uses less digits than its factorization.

51347346261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006810731.

The product of its digits is 362880, while the sum is 42.

The spelling of 51347346261 in words is "fifty-one billion, three hundred forty-seven million, three hundred forty-six thousand, two hundred sixty-one".