64292870709 has 24 divisors (see below), whose sum is σ = 93103745280. Its totient is φ = 42753015648.

The previous prime is 64292870687. The next prime is 64292870713. The reversal of 64292870709 is 90707829246.

It is not a de Polignac number, because 64292870709 - 2¹⁵ = 64292837941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64292870729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6037812 + ... + 6048450.

It is an arithmetic number, because the mean of its divisors is an integer number (3879322720).

Almost surely, 2^64292870709 is an apocalyptic number.

It is an amenable number.

64292870709 is a deficient number, since it is larger than the sum of its proper divisors (28810874571).

64292870709 is a wasteful number, since it uses less digits than its factorization.

64292870709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12289 (or 12286 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 64292870709 in words is "sixty-four billion, two hundred ninety-two million, eight hundred seventy thousand, seven hundred nine".