64049903 has 2 divisors, whose sum is σ = 64049904. Its totient is φ = 64049902.

The previous prime is 64049891. The next prime is 64049911. The reversal of 64049903 is 30994046.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64049903 - 2⁸ = 64049647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64049933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32024951 + 32024952.

It is an arithmetic number, because the mean of its divisors is an integer number (32024952).

Almost surely, 2^64049903 is an apocalyptic number.

64049903 is a deficient number, since it is larger than the sum of its proper divisors (1).

64049903 is an equidigital number, since it uses as much as digits as its factorization.

64049903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 64049903 is about 8003.1183297512. The cubic root of 64049903 is about 400.1039375734.

The spelling of 64049903 in words is "sixty-four million, forty-nine thousand, nine hundred three".