38733220417 has 2 divisors, whose sum is σ = 38733220418. Its totient is φ = 38733220416.

The previous prime is 38733220327. The next prime is 38733220459. The reversal of 38733220417 is 71402233783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36081382401 + 2651838016 = 189951^2 + 51496^2 .

It is a cyclic number.

It is not a de Polignac number, because 38733220417 - 2¹¹ = 38733218369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38733220417.

It is not a weakly prime, because it can be changed into another prime (38733220117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19366610208 + 19366610209.

It is an arithmetic number, because the mean of its divisors is an integer number (19366610209).

Almost surely, 2^38733220417 is an apocalyptic number.

It is an amenable number.

38733220417 is a deficient number, since it is larger than the sum of its proper divisors (1).

38733220417 is an equidigital number, since it uses as much as digits as its factorization.

38733220417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 38733220417 in words is "thirty-eight billion, seven hundred thirty-three million, two hundred twenty thousand, four hundred seventeen".