64903763 has 2 divisors, whose sum is σ = 64903764. Its totient is φ = 64903762.

The previous prime is 64903721. The next prime is 64903799. The reversal of 64903763 is 36730946.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64903763 - 2⁸ = 64903507 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64903963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32451881 + 32451882.

It is an arithmetic number, because the mean of its divisors is an integer number (32451882).

Almost surely, 2^64903763 is an apocalyptic number.

64903763 is a deficient number, since it is larger than the sum of its proper divisors (1).

64903763 is an equidigital number, since it uses as much as digits as its factorization.

64903763 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 64903763 is about 8056.2871721408. The cubic root of 64903763 is about 401.8740457527.

The spelling of 64903763 in words is "sixty-four million, nine hundred three thousand, seven hundred sixty-three".