64152278089 has 27 divisors (see below), whose sum is σ = 69849069493. Its totient is φ = 58907547008.

The previous prime is 64152278059. The next prime is 64152278111. The reversal of 64152278089 is 98087225146.

The square root of 64152278089 is 253283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3960562489 + 60191715600 = 62933^2 + 245340^2 .

It is not a de Polignac number, because 64152278089 - 2⁷ = 64152277961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64152278059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 202372959 + ... + 202373275.

Almost surely, 2^64152278089 is an apocalyptic number.

64152278089 is the 253283-rd square number.

64152278089 is the 126642-nd centered octagonal number.

It is an amenable number.

64152278089 is a deficient number, since it is larger than the sum of its proper divisors (5696791404).

64152278089 is an frugal number, since it uses more digits than its factorization.

64152278089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 64152278089 in words is "sixty-four billion, one hundred fifty-two million, two hundred seventy-eight thousand, eighty-nine".