64356865346 has 8 divisors (see below), whose sum is σ = 97093306044. Its totient is φ = 31992430000.

The previous prime is 64356865327. The next prime is 64356865351.

64356865346 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 61506480025 + 2850385321 = 248005^2 + 53389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64356865346² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64356865291 and 64356865300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93000905 + ... + 93001596.

Almost surely, 2^64356865346 is an apocalyptic number.

64356865346 is a deficient number, since it is larger than the sum of its proper divisors (32736440698).

64356865346 is a wasteful number, since it uses less digits than its factorization.

64356865346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186002676.

The product of its digits is 37324800, while the sum is 56.

The spelling of 64356865346 in words is "sixty-four billion, three hundred fifty-six million, eight hundred sixty-five thousand, three hundred forty-six".