64554351249 has 8 divisors (see below), whose sum is σ = 86082375040. Its totient is φ = 43031280816.

The previous prime is 64554351181. The next prime is 64554351259. The reversal of 64554351249 is 94215345546.

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

It is not a de Polignac number, because 64554351249 - 2¹⁶ = 64554285713 is a prime.

It is a super-3 number, since 3×64554351249³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64554351198 and 64554351207.

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, 1207822 + ... + 1260135.

It is an arithmetic number, because the mean of its divisors is an integer number (10760296880).

Almost surely, 2^64554351249 is an apocalyptic number.

It is an amenable number.

64554351249 is a deficient number, since it is larger than the sum of its proper divisors (21528023791).

64554351249 is a wasteful number, since it uses less digits than its factorization.

64554351249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476679.

The product of its digits is 2592000, while the sum is 48.

The spelling of 64554351249 in words is "sixty-four billion, five hundred fifty-four million, three hundred fifty-one thousand, two hundred forty-nine".