64241693587 has 2 divisors, whose sum is σ = 64241693588. Its totient is φ = 64241693586.

The previous prime is 64241693563. The next prime is 64241693603. The reversal of 64241693587 is 78539614246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64241693587 is a prime.

It is not a weakly prime, because it can be changed into another prime (64241693557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32120846793 + 32120846794.

It is an arithmetic number, because the mean of its divisors is an integer number (32120846794).

Almost surely, 2^64241693587 is an apocalyptic number.

64241693587 is a deficient number, since it is larger than the sum of its proper divisors (1).

64241693587 is an equidigital number, since it uses as much as digits as its factorization.

64241693587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 64241693587 in words is "sixty-four billion, two hundred forty-one million, six hundred ninety-three thousand, five hundred eighty-seven".