64522350487607 has 4 divisors (see below), whose sum is σ = 64742563288200. Its totient is φ = 64302137687016.

The previous prime is 64522350487589. The next prime is 64522350487619. The reversal of 64522350487607 is 70678405322546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64522350487607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522350487307) 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, 110106399857 + ... + 110106400442.

It is an arithmetic number, because the mean of its divisors is an integer number (16185640822050).

Almost surely, 2^{64522350487607} is an apocalyptic number.

64522350487607 is a deficient number, since it is larger than the sum of its proper divisors (220212800593).

64522350487607 is a wasteful number, since it uses less digits than its factorization.

64522350487607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220212800592.

The product of its (nonzero) digits is 67737600, while the sum is 59.

The spelling of 64522350487607 in words is "sixty-four trillion, five hundred twenty-two billion, three hundred fifty million, four hundred eighty-seven thousand, six hundred seven".