64204000226251 has 2 divisors, whose sum is σ = 64204000226252. Its totient is φ = 64204000226250.

The previous prime is 64204000226239. The next prime is 64204000226269. The reversal of 64204000226251 is 15262200040246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64204000226251 - 2²¹ = 64203998129099 is a prime.

It is not a weakly prime, because it can be changed into another prime (64204000226291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32102000113125 + 32102000113126.

It is an arithmetic number, because the mean of its divisors is an integer number (32102000113126).

Almost surely, 2^{64204000226251} is an apocalyptic number.

64204000226251 is a deficient number, since it is larger than the sum of its proper divisors (1).

64204000226251 is an equidigital number, since it uses as much as digits as its factorization.

64204000226251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 64204000226251 its reverse (15262200040246), we get a palindrome (79466200266497).

The spelling of 64204000226251 in words is "sixty-four trillion, two hundred four billion, two hundred twenty-six thousand, two hundred fifty-one".