64383501551 has 16 divisors (see below), whose sum is σ = 66432960000. Its totient is φ = 62366959200.

The previous prime is 64383501487. The next prime is 64383501577. The reversal of 64383501551 is 15510538346.

It is a cyclic number.

It is not a de Polignac number, because 64383501551 - 2⁶ = 64383501487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64383501499 and 64383501508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64383501151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11512766 + ... + 11518356.

It is an arithmetic number, because the mean of its divisors is an integer number (4152060000).

Almost surely, 2^64383501551 is an apocalyptic number.

64383501551 is a deficient number, since it is larger than the sum of its proper divisors (2049458449).

64383501551 is a wasteful number, since it uses less digits than its factorization.

64383501551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 64383501551 in words is "sixty-four billion, three hundred eighty-three million, five hundred one thousand, five hundred fifty-one".