64211622352663 has 8 divisors (see below), whose sum is σ = 68135620627008. Its totient is φ = 60303940080384.

The previous prime is 64211622352613. The next prime is 64211622352711. The reversal of 64211622352663 is 36625322611246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64211622352663 - 2²¹ = 64211620255511 is a prime.

It is a super-2 number, since 2×64211622352663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64211622352613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078992406 + ... + 4079008147.

It is an arithmetic number, because the mean of its divisors is an integer number (8516952578376).

Almost surely, 2^{64211622352663} is an apocalyptic number.

64211622352663 is a deficient number, since it is larger than the sum of its proper divisors (3923998274345).

64211622352663 is a wasteful number, since it uses less digits than its factorization.

64211622352663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158001033.

The product of its digits is 3732480, while the sum is 49.

The spelling of 64211622352663 in words is "sixty-four trillion, two hundred eleven billion, six hundred twenty-two million, three hundred fifty-two thousand, six hundred sixty-three".