1537973747683 has 2 divisors, whose sum is σ = 1537973747684. Its totient is φ = 1537973747682.

The previous prime is 1537973747633. The next prime is 1537973747771. The reversal of 1537973747683 is 3867473797351.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1537973747683 - 2²¹ = 1537971650531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1537973747603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768986873841 + 768986873842.

It is an arithmetic number, because the mean of its divisors is an integer number (768986873842).

Almost surely, 2^{1537973747683} is an apocalyptic number.

1537973747683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1537973747683 is an equidigital number, since it uses as much as digits as its factorization.

1537973747683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 560105280, while the sum is 70.

The spelling of 1537973747683 in words is "one trillion, five hundred thirty-seven billion, nine hundred seventy-three million, seven hundred forty-seven thousand, six hundred eighty-three".