41778343147 has 2 divisors, whose sum is σ = 41778343148. Its totient is φ = 41778343146.

The previous prime is 41778343141. The next prime is 41778343153. The reversal of 41778343147 is 74134387714.

It is a balanced prime because it is at equal distance from previous prime (41778343141) and next prime (41778343153).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41778343147 is a prime.

It is a super-2 number, since 2×41778343147² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41778343147.

It is not a weakly prime, because it can be changed into another prime (41778343141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20889171573 + 20889171574.

It is an arithmetic number, because the mean of its divisors is an integer number (20889171574).

Almost surely, 2^41778343147 is an apocalyptic number.

41778343147 is a deficient number, since it is larger than the sum of its proper divisors (1).

41778343147 is an equidigital number, since it uses as much as digits as its factorization.

41778343147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 49.

The spelling of 41778343147 in words is "forty-one billion, seven hundred seventy-eight million, three hundred forty-three thousand, one hundred forty-seven".