64554351253 has 8 divisors (see below), whose sum is σ = 73779099840. Its totient is φ = 55330277280.

The previous prime is 64554351181. The next prime is 64554351259. The reversal of 64554351253 is 35215345546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64554351253 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 (64554351259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56433 + ... + 363721.

It is an arithmetic number, because the mean of its divisors is an integer number (9222387480).

Almost surely, 2^64554351253 is an apocalyptic number.

It is an amenable number.

64554351253 is a deficient number, since it is larger than the sum of its proper divisors (9224748587).

64554351253 is a wasteful number, since it uses less digits than its factorization.

64554351253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337307.

The product of its digits is 1080000, while the sum is 43.

Adding to 64554351253 its reverse (35215345546), we get a palindrome (99769696799).

The spelling of 64554351253 in words is "sixty-four billion, five hundred fifty-four million, three hundred fifty-one thousand, two hundred fifty-three".