64154206147 has 2 divisors, whose sum is σ = 64154206148. Its totient is φ = 64154206146.

The previous prime is 64154206139. The next prime is 64154206159. The reversal of 64154206147 is 74160245146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64154206147 - 2³ = 64154206139 is a prime.

It is not a weakly prime, because it can be changed into another prime (64154201147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32077103073 + 32077103074.

It is an arithmetic number, because the mean of its divisors is an integer number (32077103074).

Almost surely, 2^64154206147 is an apocalyptic number.

64154206147 is a deficient number, since it is larger than the sum of its proper divisors (1).

64154206147 is an equidigital number, since it uses as much as digits as its factorization.

64154206147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 64154206147 in words is "sixty-four billion, one hundred fifty-four million, two hundred six thousand, one hundred forty-seven".