64364246346 has 32 divisors (see below), whose sum is σ = 136313124480. Its totient is φ = 20190872576.

The previous prime is 64364246327. The next prime is 64364246369.

It is a happy number.

64364246346 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64364246295 and 64364246304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498315 + ... + 1540673.

It is an arithmetic number, because the mean of its divisors is an integer number (4259785140).

Almost surely, 2^64364246346 is an apocalyptic number.

64364246346 is an abundant number, since it is smaller than the sum of its proper divisors (71948878134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64364246346 is a wasteful number, since it uses less digits than its factorization.

64364246346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57278.

The product of its digits is 5971968, while the sum is 48.

The spelling of 64364246346 in words is "sixty-four billion, three hundred sixty-four million, two hundred forty-six thousand, three hundred forty-six".