6454745537 has 2 divisors, whose sum is σ = 6454745538. Its totient is φ = 6454745536.

The previous prime is 6454745527. The next prime is 6454745551. The reversal of 6454745537 is 7355474546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3930788416 + 2523957121 = 62696^2 + 50239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6454745537 is a prime.

It is not a weakly prime, because it can be changed into another prime (6454745527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227372768 + 3227372769.

It is an arithmetic number, because the mean of its divisors is an integer number (3227372769).

Almost surely, 2^6454745537 is an apocalyptic number.

It is an amenable number.

6454745537 is a deficient number, since it is larger than the sum of its proper divisors (1).

6454745537 is an equidigital number, since it uses as much as digits as its factorization.

6454745537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056000, while the sum is 50.

The square root of 6454745537 is about 80341.4310116518. The cubic root of 6454745537 is about 1861.9143908626.

The spelling of 6454745537 in words is "six billion, four hundred fifty-four million, seven hundred forty-five thousand, five hundred thirty-seven".