3775216733 has 2 divisors, whose sum is σ = 3775216734. Its totient is φ = 3775216732.

The previous prime is 3775216721. The next prime is 3775216763. The reversal of 3775216733 is 3376125773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2384075929 + 1391140804 = 48827^2 + 37298^2 .

It is a cyclic number.

It is not a de Polignac number, because 3775216733 - 2⁸ = 3775216477 is a prime.

It is a super-2 number, since 2×3775216733² = 28504522762246386578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3775216763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887608366 + 1887608367.

It is an arithmetic number, because the mean of its divisors is an integer number (1887608367).

Almost surely, 2^3775216733 is an apocalyptic number.

It is an amenable number.

3775216733 is a deficient number, since it is larger than the sum of its proper divisors (1).

3775216733 is an equidigital number, since it uses as much as digits as its factorization.

3775216733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 44.

The square root of 3775216733 is about 61442.7923600482. The cubic root of 3775216733 is about 1557.0908874479.

The spelling of 3775216733 in words is "three billion, seven hundred seventy-five million, two hundred sixteen thousand, seven hundred thirty-three".