38473109 has 2 divisors, whose sum is σ = 38473110. Its totient is φ = 38473108.

The previous prime is 38473103. The next prime is 38473121. The reversal of 38473109 is 90137483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30492484 + 7980625 = 5522^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 38473109 - 2⁴ = 38473093 is a prime.

It is a super-2 number, since 2×38473109² = 2960360232251762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38473103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19236554 + 19236555.

It is an arithmetic number, because the mean of its divisors is an integer number (19236555).

Almost surely, 2^38473109 is an apocalyptic number.

It is an amenable number.

38473109 is a deficient number, since it is larger than the sum of its proper divisors (1).

38473109 is an equidigital number, since it uses as much as digits as its factorization.

38473109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 38473109 is about 6202.6695059466. The cubic root of 38473109 is about 337.5870363547.

The spelling of 38473109 in words is "thirty-eight million, four hundred seventy-three thousand, one hundred nine".