64335012032503 has 8 divisors (see below), whose sum is σ = 64720657395072. Its totient is φ = 63949371500856.

The previous prime is 64335012032477. The next prime is 64335012032527. The reversal of 64335012032503 is 30523021053346.

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

It is a cyclic number.

It is not a de Polignac number, because 64335012032503 - 2⁵ = 64335012032471 is a prime.

It is a super-2 number, since 2×64335012032503² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64335012032303) 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, 27553276 + ... + 29796862.

It is an arithmetic number, because the mean of its divisors is an integer number (8090082174384).

Almost surely, 2^{64335012032503} is an apocalyptic number.

64335012032503 is a deficient number, since it is larger than the sum of its proper divisors (385645362569).

64335012032503 is a wasteful number, since it uses less digits than its factorization.

64335012032503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415461.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 64335012032503 its reverse (30523021053346), we get a palindrome (94858033085849).

The spelling of 64335012032503 in words is "sixty-four trillion, three hundred thirty-five billion, twelve million, thirty-two thousand, five hundred three".