674528548537 has 2 divisors, whose sum is σ = 674528548538. Its totient is φ = 674528548536.

The previous prime is 674528548483. The next prime is 674528548543. The reversal of 674528548537 is 735845825476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674009802361 + 518746176 = 820981^2 + 22776^2 .

It is a cyclic number.

It is not a de Polignac number, because 674528548537 - 2³⁹ = 124772734649 is a prime.

It is not a weakly prime, because it can be changed into another prime (674528548597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337264274268 + 337264274269.

It is an arithmetic number, because the mean of its divisors is an integer number (337264274269).

Almost surely, 2^674528548537 is an apocalyptic number.

It is an amenable number.

674528548537 is a deficient number, since it is larger than the sum of its proper divisors (1).

674528548537 is an equidigital number, since it uses as much as digits as its factorization.

674528548537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792000, while the sum is 64.

The spelling of 674528548537 in words is "six hundred seventy-four billion, five hundred twenty-eight million, five hundred forty-eight thousand, five hundred thirty-seven".