64619011 has 2 divisors, whose sum is σ = 64619012. Its totient is φ = 64619010.

The previous prime is 64618979. The next prime is 64619053. The reversal of 64619011 is 11091646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64619011 - 2⁵ = 64618979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64619111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32309505 + 32309506.

It is an arithmetic number, because the mean of its divisors is an integer number (32309506).

Almost surely, 2^64619011 is an apocalyptic number.

64619011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64619011 is an equidigital number, since it uses as much as digits as its factorization.

64619011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 64619011 is about 8038.5950886955. The cubic root of 64619011 is about 401.2854707371.

The spelling of 64619011 in words is "sixty-four million, six hundred nineteen thousand, eleven".