61343788147 has 2 divisors, whose sum is σ = 61343788148. Its totient is φ = 61343788146.

The previous prime is 61343788081. The next prime is 61343788211. The reversal of 61343788147 is 74188734316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61343788147 - 2¹⁵ = 61343755379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61343788094 and 61343788103.

It is not a weakly prime, because it can be changed into another prime (61343788447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30671894073 + 30671894074.

It is an arithmetic number, because the mean of its divisors is an integer number (30671894074).

Almost surely, 2^61343788147 is an apocalyptic number.

61343788147 is a deficient number, since it is larger than the sum of its proper divisors (1).

61343788147 is an equidigital number, since it uses as much as digits as its factorization.

61343788147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 52.

The spelling of 61343788147 in words is "sixty-one billion, three hundred forty-three million, seven hundred eighty-eight thousand, one hundred forty-seven".