51341621147 has 2 divisors, whose sum is σ = 51341621148. Its totient is φ = 51341621146.

The previous prime is 51341621143. The next prime is 51341621161. The reversal of 51341621147 is 74112614315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51341621147 - 2² = 51341621143 is a prime.

It is not a weakly prime, because it can be changed into another prime (51341621143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25670810573 + 25670810574.

It is an arithmetic number, because the mean of its divisors is an integer number (25670810574).

Almost surely, 2^51341621147 is an apocalyptic number.

51341621147 is a deficient number, since it is larger than the sum of its proper divisors (1).

51341621147 is an equidigital number, since it uses as much as digits as its factorization.

51341621147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The spelling of 51341621147 in words is "fifty-one billion, three hundred forty-one million, six hundred twenty-one thousand, one hundred forty-seven".