64989103 has 2 divisors, whose sum is σ = 64989104. Its totient is φ = 64989102.

The previous prime is 64989097. The next prime is 64989143. The reversal of 64989103 is 30198946.

It is an a-pointer prime, because the next prime (64989143) can be obtained adding 64989103 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64989103 - 2⁹ = 64988591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64989143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32494551 + 32494552.

It is an arithmetic number, because the mean of its divisors is an integer number (32494552).

Almost surely, 2^64989103 is an apocalyptic number.

64989103 is a deficient number, since it is larger than the sum of its proper divisors (1).

64989103 is an equidigital number, since it uses as much as digits as its factorization.

64989103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 64989103 is about 8061.5819167208. The cubic root of 64989103 is about 402.0501059629.

The spelling of 64989103 in words is "sixty-four million, nine hundred eighty-nine thousand, one hundred three".