648136039005 has 96 divisors (see below), whose sum is σ = 1396381109760. Its totient is φ = 270791078400.

The previous prime is 648136039003. The next prime is 648136039073. The reversal of 648136039005 is 500930631846.

It is not a de Polignac number, because 648136039005 - 2¹ = 648136039003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648136039003) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 369945 + ... + 1197134.

It is an arithmetic number, because the mean of its divisors is an integer number (14545636560).

Almost surely, 2^648136039005 is an apocalyptic number.

648136039005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

648136039005 is an abundant number, since it is smaller than the sum of its proper divisors (748245070755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648136039005 is a wasteful number, since it uses less digits than its factorization.

648136039005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567211 (or 1567208 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 648136039005 in words is "six hundred forty-eight billion, one hundred thirty-six million, thirty-nine thousand, five".