385330033633 has 2 divisors, whose sum is σ = 385330033634. Its totient is φ = 385330033632.

The previous prime is 385330033559. The next prime is 385330033651. The reversal of 385330033633 is 336330033583.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337621426704 + 47708606929 = 581052^2 + 218423^2 .

It is a cyclic number.

It is not a de Polignac number, because 385330033633 - 2¹⁷ = 385329902561 is a prime.

It is a super-2 number, since 2×385330033633² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (385330033133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192665016816 + 192665016817.

It is an arithmetic number, because the mean of its divisors is an integer number (192665016817).

Almost surely, 2^385330033633 is an apocalyptic number.

It is an amenable number.

385330033633 is a deficient number, since it is larger than the sum of its proper divisors (1).

385330033633 is an equidigital number, since it uses as much as digits as its factorization.

385330033633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 40.

The spelling of 385330033633 in words is "three hundred eighty-five billion, three hundred thirty million, thirty-three thousand, six hundred thirty-three".