64403461229 has 2 divisors, whose sum is σ = 64403461230. Its totient is φ = 64403461228.

The previous prime is 64403461183. The next prime is 64403461237. The reversal of 64403461229 is 92216430446.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40251193129 + 24152268100 = 200627^2 + 155410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64403461229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64403461429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32201730614 + 32201730615.

It is an arithmetic number, because the mean of its divisors is an integer number (32201730615).

Almost surely, 2^64403461229 is an apocalyptic number.

It is an amenable number.

64403461229 is a deficient number, since it is larger than the sum of its proper divisors (1).

64403461229 is an equidigital number, since it uses as much as digits as its factorization.

64403461229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 64403461229 in words is "sixty-four billion, four hundred three million, four hundred sixty-one thousand, two hundred twenty-nine".