64354671607 has 2 divisors, whose sum is σ = 64354671608. Its totient is φ = 64354671606.

The previous prime is 64354671593. The next prime is 64354671649. The reversal of 64354671607 is 70617645346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64354671607 - 2¹⁵ = 64354638839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64354674607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32177335803 + 32177335804.

It is an arithmetic number, because the mean of its divisors is an integer number (32177335804).

Almost surely, 2^64354671607 is an apocalyptic number.

64354671607 is a deficient number, since it is larger than the sum of its proper divisors (1).

64354671607 is an equidigital number, since it uses as much as digits as its factorization.

64354671607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 64354671607 in words is "sixty-four billion, three hundred fifty-four million, six hundred seventy-one thousand, six hundred seven".