64266353334434 has 4 divisors (see below), whose sum is σ = 96399530001654. Its totient is φ = 32133176667216.

The previous prime is 64266353334383. The next prime is 64266353334461. The reversal of 64266353334434 is 43443335366246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63959254487209 + 307098847225 = 7997453^2 + 554165^2 .

It is a super-2 number, since 2×64266353334434² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64266353334434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16066588333607 + ... + 16066588333610.

Almost surely, 2^{64266353334434} is an apocalyptic number.

64266353334434 is a deficient number, since it is larger than the sum of its proper divisors (32133176667220).

64266353334434 is a wasteful number, since it uses less digits than its factorization.

64266353334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32133176667219.

The product of its digits is 134369280, while the sum is 56.

The spelling of 64266353334434 in words is "sixty-four trillion, two hundred sixty-six billion, three hundred fifty-three million, three hundred thirty-four thousand, four hundred thirty-four".