64736963 has 2 divisors, whose sum is σ = 64736964. Its totient is φ = 64736962.

The previous prime is 64736899. The next prime is 64736977. The reversal of 64736963 is 36963746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64736963 - 2⁶ = 64736899 is a prime.

It is not a weakly prime, because it can be changed into another prime (64736263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32368481 + 32368482.

It is an arithmetic number, because the mean of its divisors is an integer number (32368482).

Almost surely, 2^64736963 is an apocalyptic number.

64736963 is a deficient number, since it is larger than the sum of its proper divisors (1).

64736963 is an equidigital number, since it uses as much as digits as its factorization.

64736963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 44.

The square root of 64736963 is about 8045.9283491714. The cubic root of 64736963 is about 401.5294838273.

The spelling of 64736963 in words is "sixty-four million, seven hundred thirty-six thousand, nine hundred sixty-three".