64910526427 has 4 divisors (see below), whose sum is σ = 64965212136. Its totient is φ = 64855840720.

The previous prime is 64910526413. The next prime is 64910526449. The reversal of 64910526427 is 72462501946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72462501946 = 2 ⋅36231250973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64910526427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64910526727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27341074 + ... + 27343447.

It is an arithmetic number, because the mean of its divisors is an integer number (16241303034).

Almost surely, 2^64910526427 is an apocalyptic number.

64910526427 is a deficient number, since it is larger than the sum of its proper divisors (54685709).

64910526427 is a wasteful number, since it uses less digits than its factorization.

64910526427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54685708.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 64910526427 in words is "sixty-four billion, nine hundred ten million, five hundred twenty-six thousand, four hundred twenty-seven".