6748536528451 has 4 divisors (see below), whose sum is σ = 6815353721904. Its totient is φ = 6681719335000.

The previous prime is 6748536528449. The next prime is 6748536528469. The reversal of 6748536528451 is 1548256358476.

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 6748536528451 - 2¹ = 6748536528449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6748536528491) 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, 33408596575 + ... + 33408596776.

It is an arithmetic number, because the mean of its divisors is an integer number (1703838430476).

Almost surely, 2^{6748536528451} is an apocalyptic number.

6748536528451 is a deficient number, since it is larger than the sum of its proper divisors (66817193453).

6748536528451 is a wasteful number, since it uses less digits than its factorization.

6748536528451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66817193452.

The product of its digits is 193536000, while the sum is 64.

The spelling of 6748536528451 in words is "six trillion, seven hundred forty-eight billion, five hundred thirty-six million, five hundred twenty-eight thousand, four hundred fifty-one".