64463071567465 has 8 divisors (see below), whose sum is σ = 77356583702280. Its totient is φ = 51569858706432.

The previous prime is 64463071567381. The next prime is 64463071567483. The reversal of 64463071567465 is 56476517036446.

It can be written as a sum of positive squares in 4 ways, for example, as 142543247401 + 64320528320064 = 377549^2 + 8020008^2 .

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 64463071567465 - 2⁹ = 64463071566953 is a prime.

It is a super-2 number, since 2×64463071567465² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64463071567397 and 64463071567406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74344294 + ... + 75206383.

It is an arithmetic number, because the mean of its divisors is an integer number (9669572962785).

Almost surely, 2^{64463071567465} is an apocalyptic number.

It is an amenable number.

64463071567465 is a deficient number, since it is larger than the sum of its proper divisors (12893512134815).

64463071567465 is a wasteful number, since it uses less digits than its factorization.

64463071567465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149636891.

The product of its (nonzero) digits is 304819200, while the sum is 64.

The spelling of 64463071567465 in words is "sixty-four trillion, four hundred sixty-three billion, seventy-one million, five hundred sixty-seven thousand, four hundred sixty-five".