648136039003 has 2 divisors, whose sum is σ = 648136039004. Its totient is φ = 648136039002.

The previous prime is 648136038997. The next prime is 648136039073. The reversal of 648136039003 is 300930631846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648136039003 - 2⁵ = 648136038971 is a prime.

It is not a weakly prime, because it can be changed into another prime (648136039073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324068019501 + 324068019502.

It is an arithmetic number, because the mean of its divisors is an integer number (324068019502).

Almost surely, 2^648136039003 is an apocalyptic number.

648136039003 is a deficient number, since it is larger than the sum of its proper divisors (1).

648136039003 is an equidigital number, since it uses as much as digits as its factorization.

648136039003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 648136039003 in words is "six hundred forty-eight billion, one hundred thirty-six million, thirty-nine thousand, three".