64554452401 has 4 divisors (see below), whose sum is σ = 64727521012. Its totient is φ = 64381383792.

The previous prime is 64554452387. The next prime is 64554452407. The reversal of 64554452401 is 10425445546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33516821776 + 31037630625 = 183076^2 + 176175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64554452401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64554452407) 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, 86533746 + ... + 86534491.

It is an arithmetic number, because the mean of its divisors is an integer number (16181880253).

Almost surely, 2^64554452401 is an apocalyptic number.

It is an amenable number.

64554452401 is a deficient number, since it is larger than the sum of its proper divisors (173068611).

64554452401 is a wasteful number, since it uses less digits than its factorization.

64554452401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173068610.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 64554452401 its reverse (10425445546), we get a palindrome (74979897947).

The spelling of 64554452401 in words is "sixty-four billion, five hundred fifty-four million, four hundred fifty-two thousand, four hundred one".