64782030641003 has 4 divisors (see below), whose sum is σ = 69765263767248. Its totient is φ = 59798797514760.

The previous prime is 64782030640973. The next prime is 64782030641021. The reversal of 64782030641003 is 30014603028746.

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

It is a cyclic number.

It is not a de Polignac number, because 64782030641003 - 2⁶ = 64782030640939 is a prime.

It is a super-2 number, since 2×64782030641003² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64782030641803) 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, 2491616563103 + ... + 2491616563128.

It is an arithmetic number, because the mean of its divisors is an integer number (17441315941812).

Almost surely, 2^{64782030641003} is an apocalyptic number.

64782030641003 is a deficient number, since it is larger than the sum of its proper divisors (4983233126245).

64782030641003 is a wasteful number, since it uses less digits than its factorization.

64782030641003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983233126244.

The product of its (nonzero) digits is 580608, while the sum is 44.

Adding to 64782030641003 its reverse (30014603028746), we get a palindrome (94796633669749).

The spelling of 64782030641003 in words is "sixty-four trillion, seven hundred eighty-two billion, thirty million, six hundred forty-one thousand, three".