64941291 has 16 divisors (see below), whose sum is σ = 97648000. Its totient is φ = 42646824.

The previous prime is 64941287. The next prime is 64941299. The reversal of 64941291 is 19214946.

It is a happy number.

64941291 is a `hidden beast` number, since 649 + 4 + 1 + 2 + 9 + 1 = 666.

It is not a de Polignac number, because 64941291 - 2² = 64941287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64941299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16141 + ... + 19758.

It is an arithmetic number, because the mean of its divisors is an integer number (6103000).

Almost surely, 2^64941291 is an apocalyptic number.

64941291 is a deficient number, since it is larger than the sum of its proper divisors (32706709).

64941291 is a wasteful number, since it uses less digits than its factorization.

64941291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35975 (or 35969 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 64941291 is about 8058.6159481638. The cubic root of 64941291 is about 401.9514866830.

The spelling of 64941291 in words is "sixty-four million, nine hundred forty-one thousand, two hundred ninety-one".