3036971921537 has 2 divisors, whose sum is σ = 3036971921538. Its totient is φ = 3036971921536.

The previous prime is 3036971921471. The next prime is 3036971921587. The reversal of 3036971921537 is 7351291796303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2261050535041 + 775921386496 = 1503679^2 + 880864^2 .

It is a cyclic number.

It is not a de Polignac number, because 3036971921537 - 2²⁸ = 3036703486081 is a prime.

It is not a weakly prime, because it can be changed into another prime (3036971921587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518485960768 + 1518485960769.

It is an arithmetic number, because the mean of its divisors is an integer number (1518485960769).

Almost surely, 2^{3036971921537} is an apocalyptic number.

It is an amenable number.

3036971921537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3036971921537 is an equidigital number, since it uses as much as digits as its factorization.

3036971921537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6429780, while the sum is 56.

Subtracting from 3036971921537 its sum of digits (56), we obtain a square (3036971921481 = 1742691²).

The spelling of 3036971921537 in words is "three trillion, thirty-six billion, nine hundred seventy-one million, nine hundred twenty-one thousand, five hundred thirty-seven".