64882070969 has 4 divisors (see below), whose sum is σ = 64887729780. Its totient is φ = 64876412160.

The previous prime is 64882070963. The next prime is 64882070999. The reversal of 64882070969 is 96907028846.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36897799744 + 27984271225 = 192088^2 + 167285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64882070969 is a prime.

It is a super-2 number, since 2×64882070969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64882070963) 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, 2812172 + ... + 2835149.

It is an arithmetic number, because the mean of its divisors is an integer number (16221932445).

Almost surely, 2^64882070969 is an apocalyptic number.

It is an amenable number.

64882070969 is a deficient number, since it is larger than the sum of its proper divisors (5658811).

64882070969 is a wasteful number, since it uses less digits than its factorization.

64882070969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658810.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 64882070969 in words is "sixty-four billion, eight hundred eighty-two million, seventy thousand, nine hundred sixty-nine".