61324213147 has 2 divisors, whose sum is σ = 61324213148. Its totient is φ = 61324213146.

The previous prime is 61324213123. The next prime is 61324213201. The reversal of 61324213147 is 74131242316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61324213147 - 2¹¹ = 61324211099 is a prime.

It is not a weakly prime, because it can be changed into another prime (61324213117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30662106573 + 30662106574.

It is an arithmetic number, because the mean of its divisors is an integer number (30662106574).

Almost surely, 2^61324213147 is an apocalyptic number.

61324213147 is a deficient number, since it is larger than the sum of its proper divisors (1).

61324213147 is an equidigital number, since it uses as much as digits as its factorization.

61324213147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The spelling of 61324213147 in words is "sixty-one billion, three hundred twenty-four million, two hundred thirteen thousand, one hundred forty-seven".