3533961973 has 2 divisors, whose sum is σ = 3533961974. Its totient is φ = 3533961972.

The previous prime is 3533961971. The next prime is 3533962001. The reversal of 3533961973 is 3791693353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2136473284 + 1397488689 = 46222^2 + 37383^2 .

It is a cyclic number.

It is not a de Polignac number, because 3533961973 - 2¹ = 3533961971 is a prime.

It is a super-2 number, since 2×3533961973² = 24977774453220105458, which contains 22 as substring.

Together with 3533961971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3533961971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766980986 + 1766980987.

It is an arithmetic number, because the mean of its divisors is an integer number (1766980987).

Almost surely, 2^3533961973 is an apocalyptic number.

It is an amenable number.

3533961973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3533961973 is an equidigital number, since it uses as much as digits as its factorization.

3533961973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1377810, while the sum is 49.

The square root of 3533961973 is about 59447.1359528783. The cubic root of 3533961973 is about 1523.1895703535.

The spelling of 3533961973 in words is "three billion, five hundred thirty-three million, nine hundred sixty-one thousand, nine hundred seventy-three".