64102849 has 2 divisors, whose sum is σ = 64102850. Its totient is φ = 64102848.

The previous prime is 64102837. The next prime is 64102861. The reversal of 64102849 is 94820146.

It is a balanced prime because it is at equal distance from previous prime (64102837) and next prime (64102861).

It can be written as a sum of positive squares in only one way, i.e., 40870449 + 23232400 = 6393^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 64102849 - 2¹⁵ = 64070081 is a prime.

It is not a weakly prime, because it can be changed into another prime (64102879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32051424 + 32051425.

It is an arithmetic number, because the mean of its divisors is an integer number (32051425).

Almost surely, 2^64102849 is an apocalyptic number.

It is an amenable number.

64102849 is a deficient number, since it is larger than the sum of its proper divisors (1).

64102849 is an equidigital number, since it uses as much as digits as its factorization.

64102849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 64102849 is about 8006.4254820738. The cubic root of 64102849 is about 400.2141540746.

The spelling of 64102849 in words is "sixty-four million, one hundred two thousand, eight hundred forty-nine".