64455214403 has 4 divisors (see below), whose sum is σ = 64462632600. Its totient is φ = 64447796208.

The previous prime is 64455214381. The next prime is 64455214469. The reversal of 64455214403 is 30441255446.

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

It is a cyclic number.

It is not a de Polignac number, because 64455214403 - 2¹⁰ = 64455213379 is a prime.

It is a super-3 number, since 3×64455214403³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64455214493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696050 + ... + 3713447.

It is an arithmetic number, because the mean of its divisors is an integer number (16115658150).

Almost surely, 2^64455214403 is an apocalyptic number.

64455214403 is a deficient number, since it is larger than the sum of its proper divisors (7418197).

64455214403 is an equidigital number, since it uses as much as digits as its factorization.

64455214403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7418196.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 64455214403 its reverse (30441255446), we get a palindrome (94896469849).

The spelling of 64455214403 in words is "sixty-four billion, four hundred fifty-five million, two hundred fourteen thousand, four hundred three".