38033970509 has 2 divisors, whose sum is σ = 38033970510. Its totient is φ = 38033970508.

The previous prime is 38033970437. The next prime is 38033970517. The reversal of 38033970509 is 90507933083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22807644484 + 15226326025 = 151022^2 + 123395^2 .

It is a cyclic number.

It is not a de Polignac number, because 38033970509 - 2²⁸ = 37765535053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38033670509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19016985254 + 19016985255.

It is an arithmetic number, because the mean of its divisors is an integer number (19016985255).

Almost surely, 2^38033970509 is an apocalyptic number.

It is an amenable number.

38033970509 is a deficient number, since it is larger than the sum of its proper divisors (1).

38033970509 is an equidigital number, since it uses as much as digits as its factorization.

38033970509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 38033970509 in words is "thirty-eight billion, thirty-three million, nine hundred seventy thousand, five hundred nine".