64567463137 has 2 divisors, whose sum is σ = 64567463138. Its totient is φ = 64567463136.

The previous prime is 64567463131. The next prime is 64567463141. The reversal of 64567463137 is 73136476546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60875199441 + 3692263696 = 246729^2 + 60764^2 .

It is a cyclic number.

It is not a de Polignac number, because 64567463137 - 2¹¹ = 64567461089 is a prime.

It is not a weakly prime, because it can be changed into another prime (64567463131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32283731568 + 32283731569.

It is an arithmetic number, because the mean of its divisors is an integer number (32283731569).

Almost surely, 2^64567463137 is an apocalyptic number.

It is an amenable number.

64567463137 is a deficient number, since it is larger than the sum of its proper divisors (1).

64567463137 is an equidigital number, since it uses as much as digits as its factorization.

64567463137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 52.

The spelling of 64567463137 in words is "sixty-four billion, five hundred sixty-seven million, four hundred sixty-three thousand, one hundred thirty-seven".