64223353501 has 4 divisors (see below), whose sum is σ = 64252455552. Its totient is φ = 64194251452.

The previous prime is 64223353471. The next prime is 64223353541. The reversal of 64223353501 is 10535332246.

64223353501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64223353501 - 2¹¹ = 64223351453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64223353541) 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, 14547715 + ... + 14552128.

It is an arithmetic number, because the mean of its divisors is an integer number (16063113888).

Almost surely, 2^64223353501 is an apocalyptic number.

It is an amenable number.

64223353501 is a deficient number, since it is larger than the sum of its proper divisors (29102051).

64223353501 is a wasteful number, since it uses less digits than its factorization.

64223353501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29102050.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 64223353501 its reverse (10535332246), we get a palindrome (74758685747).

The spelling of 64223353501 in words is "sixty-four billion, two hundred twenty-three million, three hundred fifty-three thousand, five hundred one".