64751820103 has 2 divisors, whose sum is σ = 64751820104. Its totient is φ = 64751820102.

The previous prime is 64751820071. The next prime is 64751820137. The reversal of 64751820103 is 30102815746.

64751820103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64751820103 - 2⁵ = 64751820071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64751820173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32375910051 + 32375910052.

It is an arithmetic number, because the mean of its divisors is an integer number (32375910052).

Almost surely, 2^64751820103 is an apocalyptic number.

64751820103 is a deficient number, since it is larger than the sum of its proper divisors (1).

64751820103 is an equidigital number, since it uses as much as digits as its factorization.

64751820103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 64751820103 in words is "sixty-four billion, seven hundred fifty-one million, eight hundred twenty thousand, one hundred three".