64896955278229 has 8 divisors (see below), whose sum is σ = 65786094824192. Its totient is φ = 64007819520480.

The previous prime is 64896955278223. The next prime is 64896955278247. The reversal of 64896955278229 is 92287255969846.

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 64896955278229 - 2¹⁵ = 64896955245461 is a prime.

It is a super-2 number, since 2×64896955278229² (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 (64896955278223) 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, 62150014 + ... + 63185584.

It is an arithmetic number, because the mean of its divisors is an integer number (8223261853024).

Almost surely, 2^{64896955278229} is an apocalyptic number.

It is an amenable number.

64896955278229 is a deficient number, since it is larger than the sum of its proper divisors (889139545963).

64896955278229 is a wasteful number, since it uses less digits than its factorization.

64896955278229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894107.

The product of its digits is 9405849600, while the sum is 82.

The spelling of 64896955278229 in words is "sixty-four trillion, eight hundred ninety-six billion, nine hundred fifty-five million, two hundred seventy-eight thousand, two hundred twenty-nine".