64463401 has 4 divisors (see below), whose sum is σ = 64480000. Its totient is φ = 64446804.

The previous prime is 64463393. The next prime is 64463419. The reversal of 64463401 is 10436446.

It is a happy number.

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 64463401 - 2³ = 64463393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64463401.

It is not an unprimeable number, because it can be changed into a prime (64463431) 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, 1000 + ... + 11398.

It is an arithmetic number, because the mean of its divisors is an integer number (16120000).

Almost surely, 2^64463401 is an apocalyptic number.

It is an amenable number.

64463401 is a deficient number, since it is larger than the sum of its proper divisors (16599).

64463401 is a wasteful number, since it uses less digits than its factorization.

64463401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16598.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 64463401 is about 8028.9103245708. The cubic root of 64463401 is about 400.9630979945.

Adding to 64463401 its reverse (10436446), we get a palindrome (74899847).

The spelling of 64463401 in words is "sixty-four million, four hundred sixty-three thousand, four hundred one".