3537038821 has 2 divisors, whose sum is σ = 3537038822. Its totient is φ = 3537038820.

The previous prime is 3537038809. The next prime is 3537038839. The reversal of 3537038821 is 1288307353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3493992100 + 43046721 = 59110^2 + 6561^2 .

It is a cyclic number.

It is not a de Polignac number, because 3537038821 - 2⁵ = 3537038789 is a prime.

It is a super-2 number, since 2×3537038821² = 25021287242522140082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3537038221) 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, 1768519410 + 1768519411.

It is an arithmetic number, because the mean of its divisors is an integer number (1768519411).

Almost surely, 2^3537038821 is an apocalyptic number.

It is an amenable number.

3537038821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3537038821 is an equidigital number, since it uses as much as digits as its factorization.

3537038821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 3537038821 is about 59473.0091806359. The cubic root of 3537038821 is about 1523.6314976991.

The spelling of 3537038821 in words is "three billion, five hundred thirty-seven million, thirty-eight thousand, eight hundred twenty-one".