64349741 has 2 divisors, whose sum is σ = 64349742. Its totient is φ = 64349740.

The previous prime is 64349723. The next prime is 64349749. The reversal of 64349741 is 14794346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 15768841 = 6970^2 + 3971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64349741 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64349695 and 64349704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64349749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32174870 + 32174871.

It is an arithmetic number, because the mean of its divisors is an integer number (32174871).

Almost surely, 2^64349741 is an apocalyptic number.

It is an amenable number.

64349741 is a deficient number, since it is larger than the sum of its proper divisors (1).

64349741 is an equidigital number, since it uses as much as digits as its factorization.

64349741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 64349741 is about 8021.8290308383. The cubic root of 64349741 is about 400.7273038546.

The spelling of 64349741 in words is "sixty-four million, three hundred forty-nine thousand, seven hundred forty-one".