64763903 has 2 divisors, whose sum is σ = 64763904. Its totient is φ = 64763902.

The previous prime is 64763869. The next prime is 64763971. The reversal of 64763903 is 30936746.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64763903 - 2¹⁰ = 64762879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64763983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32381951 + 32381952.

It is an arithmetic number, because the mean of its divisors is an integer number (32381952).

Almost surely, 2^64763903 is an apocalyptic number.

64763903 is a deficient number, since it is larger than the sum of its proper divisors (1).

64763903 is an equidigital number, since it uses as much as digits as its factorization.

64763903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 64763903 is about 8047.6023137330. The cubic root of 64763903 is about 401.5851743408.

The spelling of 64763903 in words is "sixty-four million, seven hundred sixty-three thousand, nine hundred three".