64126931140603 has 16 divisors (see below), whose sum is σ = 67037668169760. Its totient is φ = 61263605536000.

The previous prime is 64126931140499. The next prime is 64126931140673. The reversal of 64126931140603 is 30604113962146.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64126931140603 is a prime.

It is a super-2 number, since 2×64126931140603² (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 (64126931140673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2366650 + ... + 11569567.

It is an arithmetic number, because the mean of its divisors is an integer number (4189854260610).

Almost surely, 2^{64126931140603} is an apocalyptic number.

64126931140603 is a deficient number, since it is larger than the sum of its proper divisors (2910737029157).

64126931140603 is a wasteful number, since it uses less digits than its factorization.

64126931140603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13937918.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 64126931140603 in words is "sixty-four trillion, one hundred twenty-six billion, nine hundred thirty-one million, one hundred forty thousand, six hundred three".